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Thu Apr 11 10:11:44 MDT 2024
E. Stiefel Über diskrete und lineare Tschebyscheff-Approximationen. (German) [On Discrete and Linear Chebyshev Approximations] . . . . . . . . . . . . 1--28 Alston S. Householder and Friedrich L. Bauer On Certain Methods for Expanding the Characteristic Polynomial . . . . . . . 29--37 M. Weisfeld Orthogonal polynomials in several variables . . . . . . . . . . . . . . . 38--40 A. J. Perlis and K. Samelson Report on the algorithmic language ALGOL by the ACM committee on programming languages and the GAMM committee on programming . . . . . . . . . . . . . . 41--60 Lothar Collatz and J. Schroeder Einschließen der Lösungen von Randwertaufgaben. (German) [Bracketing Solutions to Boundary Value Problems] 61--72 W. Dueck Eine Fehlerabschätzung zum Einzelschrittverfahren bei linearen Gleichungssystemen. (German) [An Error Bound for the Independent Step Method in Linear Equation Systems] . . . . . . . . 73--77 Erwin Kreyszig and John Todd The radius of univalence of the error function . . . . . . . . . . . . . . . . 78--89 Stig Comét Über die Anwendung von Binärmodellen in der Theorie der Charaktere der symmetrischen Gruppen. (German) [On the use of the Binary Model in the Theory of Characters of Symmetric Groups] . . . . 90--109 A. Walther and H. Schappert Numerische Behandlung des Gelenkvierecks. (German) [Numerical Treatment of General Quadrilaterals] . . 110--120 Harvey Cohn Numerical study of the representation of a totally positive quadratic integer as the sum of quadratic integral squares 121--134 G. Bertram Verschärfung einer Fehlerabschätzung zum Ritz--Galerkinschen Verfahren von Kryloff für Randwertaufgaben. (German) [Tightening of an Error Bound for the Ritz--Galerkin Method for Krylov Boundary Value Problems] . . . . . . . . 135--141 P. Wynn On the propagation of error in certain non-linear algorithms . . . . . . . . . 142--149 J. H. Wilkinson The evaluation of the zeros of ill-conditioned polynomials. I . . . . . 150--166 J. H. Wilkinson The evaluation of the zeros of ill-conditioned polynomials. II . . . . 167--180
G. Bertram Eine Fehlerabschätzung für gewisse selbstadjungierte, gewöhnliche Randwertaufgaben. (German) [An error estimate for certain adjoint ordinary boundary value problems] . . . . . . . . 181--185 Heinz-Otto Kreiss Über die Differenzapproximation hoher Genauigkeit bei Anfangswertproblemen für partielle Differentialgleichungen. (German) [On the difference approximation of higher accuracy with initial value problems for partial differential equations] . . . . . . . . 186--202 P. Wynn A sufficient condition for the instability of the q-d algorithm . . . . 203--207 F. L. Bauer and H. J. Stetter Zur numerischen Fourier--Transformation. (German) [The numerical Fourier transform] . . . . . . . . . . . . . . . 208--220 P. C. Sikkema Über den Grad der Approximation mit Bernstein--Polynomen. (German) [On the degree of approximation with Bernstein polynomials] . . . . . . . . . . . . . . 221--239 Seymour V. Parter On ``two-line'' iterative methods for the Laplace and biharmonic difference equations . . . . . . . . . . . . . . . 240--252 E. W. Cheney and A. A. Goldstein Newton's method for convex programming and Tchebycheff approximation . . . . . 253--268 E. W. Dijkstra A note on two problems in connexion with graphs . . . . . . . . . . . . . . . . . 269--271 P. Wynn Converging factors for continued fractions. Part I . . . . . . . . . . . 272--307 P. Wynn Converging factors for continued fractions. Part II . . . . . . . . . . . 308--320
E. Stiefel Note on Jordan elimination, linear programming and Tchebyscheff approximation . . . . . . . . . . . . . 1--17 W. Wetterling Zum Einschließungssatz von Kryloff-Bogoliubov für allgemeine Eigenwertaufgaben bei gewöhnlichen Differentialgleichungen. (German) [An enclosure theorem of Kryloff-Bogoliubov for ordinary eigenvalue problems in ordinary differential equations] . . . . 18--21 Tosio Kato Estimation of Iterated Matrices, with Application to the von Neumann Condition 22--29 T. E. Hull and W. A. J. Luxemburg Numerical methods and existence theorems for ordinary differential equations . . 30--41 F. L. Bauer and A. S. Householder Moments and Characteristic Roots . . . . 42--53 G. Bertram Berichtigung zu meinen Arbeit ,,Verschärfung einer Fehlerabschätzung \ldots [Num. Math. \bf 1, 135--141 (1959)]. (German) [Correction to my Paper ``Tightening of an Error Bound \ldots''] . . . . . . . . . . . . . . . 54--54 A. S. Householder and F. L. Bauer On Certain Iterative Methods for Solving Linear Systems . . . . . . . . . . . . . 55--59 N. J. Lehmann Eine Fehlerabschätzung zum Ritzschen Verfahren für inhomogene Randwertaufgaben. (German) [An Error Bound for the Ritz Method for Inhomogeneous Boundary Value Problems] 60--66 Robert L. Causey and Peter Henrici Convergence of approximate eigenvectors in Jacobi methods . . . . . . . . . . . 67--78 W. Börsch-Supan Bemerkungen zur Fehlerabschätzung beim Ritz--Galerkin-Verfahren nach Krylow. (German) [Remark on the Error Bounds of the Ritz--Galerkin Method of Krylov] . . 79--83 J. H. Halton On the efficiency of certain quasi-random sequences of points in evaluating multi-dimensional integrals 84--90 Jim Douglas A numerical method for the solution of a parabolic system . . . . . . . . . . . . 91--98 L. Veidinger On the numerical determination of the best approximations in the Chebyshev sense . . . . . . . . . . . . . . . . . 99--105 J. W. Backus and F. L. Bauer and J. Green and C. Katz and J. McCarthy and P. Naur and A. J. Perlis and H. Rutishauser and K. Samelson and B. Vauquois and J. H. Wegstein and A. van Wijngaarden and M. Woodger Report on the algorithmic language Algol 60 . . . . . . . . . . . . . . . . . . . 106--136 F. L. Bauer and C. T. Fike Norms and Exclusion Theorems . . . . . . 137--141 H. Maehly and Ch. Witzgall Tschebyscheff-Approximationen in kleinen Intervallen. I. (German) [Chebyshev Approximations in Small Intervals. I] 142--150 G. Freud Nachtrag bei der Korrektur. (German) [Supplement with correction] . . . . . . 150--150 Peter Wynn Über einen Interpolations-Algorithmus und gewisse andere Formeln, die in der Theorie der Interpolation durch rationale Funktionen bestehen. (German) [On interpolation algorithms and certain other formulas existing in the interpolations theory by rational functions] . . . . . . . . . . . . . . . 151--182 H. Brakhage Über die numerische Behandlung von Integralgleichungen nach der Quadraturformelmethode. (German) [On the Numerical Treatment of Integral Equations for the Quadrature Formula Method] . . . . . . . . . . . . . . . . 183--196 J. H. Halton Berichtigung: ``On the efficiency of certain quasi-random sequences of points in evaluating multi-dimensional integrals'' [Num. Math. \bf 2, 84--90 (1960)]. (German) [Correction] . . . . . 196--196 C. W. Clenshaw and A. R. Curtis A method for numerical integration on an automatic computer . . . . . . . . . . . 197--205 C. G. Esseen Über die asymptotisch beste Approximation stetiger Funktionen mit Hilfe von Bernstein-Polynomen. (German) [On the Asymptotically Best Approximation of Continuous Functions with the Aid of Berstein Polynomials] . . . . . . . . . 206--213 Herbert E. Salzer Optimal points for numerical differentiation . . . . . . . . . . . . 214--227 Wilhelm Magnus and Leon Kotin The zeros of the Hankel function as a function of its order . . . . . . . . . 228--244 Rudolf F. Albrecht Approximation to the solution of partial differential-equations by the solution of ordinary differential-equations . . . 245--262 Heinz Rutishauser Bemerkungen zur numerischen Integration gewöhnlicher Differentialgleichungen $n$-ter Ordnung. (German) [Remark on the Numerical Integration of $n$-th Order Ordinary Differential Equations] . . . . 263--279 J. Neubüser Untersuchungen des Untergruppenverbandes endlicher Gruppen auf einer programmgesteuerten elektronischen Dualmaschine. (German) [Investigation of Subroup Units of Finite Groups with a Programmable Electronic Dual Machine] 280--292 H. Maehly and Ch. Witzgall Tschebyscheff-Approximationen in kleinen Intervallen. II: Stetigkeitssätze für gebrochen rationale Approximationen. (German) [Chebyshev Approximations in Small Intervals. II. Stability Conditions for Broken Rational Approximations] . . . . . . . . . . . . 293--307 F. L. Bauer and A. S. Householder Some inequalities involving the Euclidean condition of a matrix . . . . 308--311 E. W. Dijkstra Recursive programming . . . . . . . . . 312--318 J. H. Wilkinson Error Analysis of Floating-Point Computation . . . . . . . . . . . . . . 319--340 Hans-Lothar Haas Bestimmung der Eigenwerte des allgemeinen Eigenwertproblems. (German) [Determination of the eigenvalues of the general eigenvalue problem] . . . . . . 341--343 Andreas H. Schopf On the Kantorovich inequality . . . . . 344--346 Harvey Cohn A numerical study of Weber's real class number calculation. Part I . . . . . . . 347--362
N. J. Lehmann Das inhomogene natürliche Randwertproblem und Fehlerabschätzungen für Näherungslösungen. (German) [The Inhomogeneous Natural Boundary Value Problem and Error Bounds for Approximate Solution] . . . . . . . . . . . . . . . 1--29 Friedrich Wilhelm Schäfke Ein Verfahren zur Berechnung des charakteristischen Exponenten der Mathieuschen Differentialgleichung. I. (German) [A Method for Calculation of Characteristic Exponents of the Mathiew Differential Equation. I] . . . . . . . 30--38 Johann Schröder Fehlerabschätzung mit Rechenanlagen bei gewönlichen Differentialgleichungen erster Ordnung. (German) [Computational error bounds for first-order ordinary differential equations] . . . . . . . . 39--61 A. Schönhage Fehlerfortpflanzung bei Interpolation. (German) [Error Transmission in Interpolation] . . . . . . . . . . . . . 62--71
E. W. Cheney and H. L. Loeb Two new algorithms for rational approximation . . . . . . . . . . . . . 72--75
Yudell L. Luke The radius of univalence of the function exp $z^2 \int_0^z$ exp $(-t^2) dt$ . . . 76--78 E. Karst Faktorenzerlegung Mersennescher Zahlen mittels programmgesteuerter Rechengeräte. (German) [Factorization of Mersenne Numbers with Programmable Computers] . . 79--86 Göran Kjellberg On the successive over-relaxation method for cyclic operators . . . . . . . . . . 87--91 J. Douglas, Jr. Alternating direction iteration for mildly nonlinear elliptic difference equations . . . . . . . . . . . . . . . 92--98 Lothar Collatz Monotonie und Extremalprinzipien beim Newtonschen Verfahren. (German) [Monotonicty and Extremal Principles of Newton Methods] . . . . . . . . . . . . 99--106 P. C. Sikkema Der Wert einiger Konstanten in der Theorie der Approximation mit Bernstein-Polynomen.. (German) [The Value of Some Constants in the Approximation Theory for Bernstein Polynomials] . . . . . . . . . . . . . . 107--116 F. L. Bauer A further generalization of the Kantorovic inequality . . . . . . . . . 117--119 Herbert E. Salzer Some extensions of Bairstow's method . . 120--124 Johann Schröder Verbesserung einer Fehlerabschätzung für gewöhnliche Differentialgleichungen erster Ordnung. (German) [Improvement of error bounds for first-order ordinary differential equations] . . . . . . . . 125--130 Rudolf Albrecht and Wolfram Ulrich Ein Differenzenverfahren zur näherungsweisen Lösung des Anfangswertproblems für Systeme halblinearer partieller Differentialgleichungen. 1. Ordnung. (German) [A Difference Equation for Approximate Solution of Initial Value Problems for Half-Linear Partial Differential Equations. 1. Order] . . . 131--146 Gene H. Golub and Richard S. Varga Chebyshev Semi-Iterative Methods, Successive Overrelaxation Iterative Methods, and Second Order Richardson Iterative Methods. I . . . . . . . . . . 147--156 Gene H. Golub and Richard S. Varga Chebyshev Semi-Iterative Methods, Successive Overrelaxation Iterative Methods, and Second Order Richardson Iterative Methods. II . . . . . . . . . 157--168 L. C. Hsu Note on the numerical integration of periodic functions and of partially periodic functions . . . . . . . . . . . 169--173 H. Brakhage Zur Fehlerabschätzung für die numerische Eigenwertbestimmung bei Integralgleichungen. (German) [Toward Error Bounds for Numerical Eigenvalue Determination in Integral Equations] . . 174--179 J. Descloux Dégénérescence dans les approximations de Tschebyscheff linéaires et discr\`etes. (French) [Degeneration in Linear and Discrete Chebyshev Approximations] . . . 180--187 J. Albrecht Fehlerabschätzungen bei Relaxationsverfahren zur numerischen Auflösung linearer Gleichungssysteme. (German) [Error Bounds for the Relaxation Method for Numerical Solution of Linear Equation Systems] . . . . . . 188--201 M. Blum A stagewise parameter estimation procedure for correlated data . . . . . 202--208 Stefan Bergman and John G. Herriot Application of the method of the kernel function for solving boundary- value problems . . . . . . . . . . . . . . . . 209--225 Peter Läuchli Jordan-Elimination und Ausgleichung nach kleinsten Quadraten. (German) [Jordan elimination and balancing using least squares] . . . . . . . . . . . . . . . . 226--240 F. L. Bauer and A. S. Householder Absolute norms and characteristic roots 241--246 H. Fisser Some tests applied to pseudo-random numbers generated by v. Hörner's rule . . 247--249 H. Felsch Programmierung der Restklassenabzählung einer Gruppe nach Untergruppen. (German) [Programming of Residue Classes of a Group via its Subgroups] . . . . . . . . 250--256 F. L. Bauer and J. Stoer and C. Witzgall Absolute and Monotonic Norms . . . . . . 257--264 Werner Liniger On a Method by D. H. Lehmer for the Generation of Pseudo Random Numbers . . 265--270
J. Neubüser Bestimmung der Untergruppenverbände endlicher $p$-Gruppen auf einer programmgesteuerten elektronischen Dualmaschine. (German) [Determination of subgroups of finite $p$-groups on a program-controlled electronic Dual machine] . . . . . . . . . . . . . . . . 271--278 P. C. Chakravarti Truncation error in interpolation and numerical differentiation . . . . . . . 279--284 Josef Stoer Über zwei Algorithmen zur Interpolation mit rationalen Funktionen. (German) [On two algorithms for interpolation with rational functions] . . . . . . . . . . 285--304 Seymour V. Parter ``Multi-line'' iterative methods for elliptic difference equations and fundamental frequencies . . . . . . . . 305--319 Herbert E. Salzer and R. Zurmühl Some extensions of Bairstow's method . . 320--320 Hans J. Stetter On the convergence of characteristic finite-difference methods of high accuracy for quasi-linear hyperbolic equations . . . . . . . . . . . . . . . 321--344 J. Albrecht Monotone Iterationsfolgen und ihre Verwendung zur Lösung linearer Gleichungssysteme. (German) [Monotonic iteration sequences and their use in solving sets of linear equations] . . . 345--358 Walter L. Wilson On discrete Dirichlet and plateau problems . . . . . . . . . . . . . . . . 359--373 A. Schönhage Zur Konvergenz des Jacobi--Verfahrens. (German) [On the convergence of the Jacobi method] . . . . . . . . . . . . . 374--380 Walter Gautschi Numerical integration of ordinary differential equations based on trigonometric polynomials . . . . . . . 381--397 Milton Lees Alternating direction and semi-explicit difference methods for parabolic partial differential equations . . . . . . . . . 398--412
Friedrich Wilhelm Schäfke and Rudolf Ebert and Helmut Groh Ein Verfahren zur Berechnung des charakteristischen Exponenten der Mathieuschen Differentialgleichung. II. (German) [A Method for Calculation of Characteristic Exponents of the Mathiew Differential Equation. II] . . . . . . . 1--7 P. Wynn A comparison technique for the numerical transformation of slowly convergent series based on the use of rational functions . . . . . . . . . . . . . . . 8--14 Hans Schneider and W. Gilbert Strang Comparison Theorems for Supremum Norms 15--20 P. Treuenfels Schranken für Lösungen von Randwertaufgaben. (German) [Bounds for Solution of Boundary Value Problems] . . 21--23 Peter Henrici Bounds for Iterates, Inverses, Spectral Variation and Fields of Values of Non-Normal Matrices . . . . . . . . . . 24--39 Jim Douglas, Jr. Alternating direction methods for three space variables . . . . . . . . . . . . 41--63 F. W. Schäfke and H. Groh Zur Berechnung der Eigenwerte der Mathieuschen Differentialgleichung. (German) [Toward Computation of Eigenvalues of the Mathieu Differential Equation] . . . . . . . . . . . . . . . 64--67 R. D. Richtmyer and Marjorie Devaney and N. Metropolis Continued fraction expansions of algebraic numbers . . . . . . . . . . . 68--84 E. Frank On continued fraction expansions for binomial quadratic surds . . . . . . . . 85--95 J. Douglas, Jr. and B. F. Jones, Jr. Numerical methods for integrodifferential equations of parabolic and hyperbolic types . . . . . 96--102 F. L. Bauer On the field of values subordinate to a norm . . . . . . . . . . . . . . . . . . 103--113 Betty Jane Stone Best Possible Ratios of Certain Matrix Norms . . . . . . . . . . . . . . . . . 114--116 Walter Gautschi On Inverses of Vandermonde and Confluent Vandermonde Matrices . . . . . . . . . . 117--123 E. W. Cheney and H. L. Loeb On rational Chebyshev approximation . . 124--127 Frank Harary A graph theoretic approach to matrix inversion by partitioning . . . . . . . 128--135 Hirofumi Morimoto Stability in the wave equation coupled with heat flow . . . . . . . . . . . . . 136--145 A. A. Goldstein Cauchy's method of minimization . . . . 146--150 Wolfgang Lindenberg Über eine Darstellung von Gruppenelementen in digitalen Rechenautomaten. (German) [On a representation of group elements in computers] . . . . . . . . . . . . . . . 151--153 Helmut Werner Ein Satz über diskete Tschebyscheff-Approximation bei gebrochen linearer Funktionen. (German) [A proposition on the discrete Chebyshev approximation of broken linear functions] . . . . . . . . . . . . . . . 154--157 J. Stoer and C. Witzgall Transformations by Diagonal Matrices in a Normed Space . . . . . . . . . . . . . 158--171 C. Pearcy On convergence of alternating direction procedures . . . . . . . . . . . . . . . 172--176 R. C. Buck Stochastic ascent . . . . . . . . . . . 177--186 John Greenstadt Some numerical experiments in triangularizing matrices . . . . . . . . 187--195 Julius Albrecht Fehlerschranken und Konvergenzbeschleunigung bei einer monotonen oder alternierenden Iterationsfolge. (German) [Error Bounds and Convergence Acceleration with a Monotone or Alternating Iteration Sequence] . . . . . . . . . . . . . . . 196--208 Tse-Sun Chow and Harold W. Milnes Solution of Laplace's equation by boundary contraction over regions of irregular shape . . . . . . . . . . . . 209--225 W. Uhlmann Über den Fehler bei Differenzenverfahren für die Poissonsche Differentialgleichung. (German) [On the Bound of Difference Method for Poisson Differential Equation] . . . . . . . . . 226--237 J. F. Benders Partitioning procedures for solving mixed-variables programming problems . . 238--252 R. F. Albrecht and W. Urich Numerical treatment of the initial value problem for systems of quasilinear partial differential equations of first order . . . . . . . . . . . . . . . . . 253--261 Johannes C. C. Nitsche Über die Abhängigkeit der Tschebyscheffschen Approximierenden einer differenzierbaren Funktion vom Intervall. (German) [On the relation of Chebyshev approximations for a differentiable interval function] . . . 262--276 Seymour V. Parter Stability, convergence, and pseudo-stability of finite-difference equations for an over-determined problem 277--292 Seymour V. Parter An observation on the numerical solution of difference equations and a theorem of Szeg\Ho . . . . . . . . . . . . . . . . 293--295 J. H. Wilkinson Note on the quadratic convergence of the cyclic Jacobi process . . . . . . . . . 296--300 Jim Douglas, Jr. A correction to my paper ``Alternating direction iteration for mildly nonlinear elliptic difference equations'' . . . . 301--302 Evelyn Frank On continued fraction expansion for binomial quadratic surds. II . . . . . . 303--309 Friedrich Wilhelm Schäfke and Helmut Groh Zur Berechnung der Eigenwerte der Sphäroiddifferentialgleichung. (German) [On the Calculation of the Eigenvalues of the Spheroidal Differential Equation] 310--312 J. H. Bramble and B. E. Hubbard On the formulation of finite difference analogues of the Dirichlet problem for Poisson's equation . . . . . . . . . . . 313--327 Walter L. Wilson, Jr. $d$-minimal surfaces spanning polygons in $E_n$ by solving a linear system . . 328--329 L. C. Hsu On the numerical integration of non-periodic functions of several variables . . . . . . . . . . . . . . . 330--335 C. Brenner and J. L. Brenner The popularity of small integers as primitive roots . . . . . . . . . . . . 336--342 Chandler Davis The norm of the Schur product operation 343--344 T. J. Rivlin Polynomials of best uniform approximation to certain rational functions . . . . . . . . . . . . . . . 345--349 Marvin Marcus An inequality connecting the $P$-condition number and the determinant 350--353 J. H. Wilkinson Householder's method for symmetric matrices . . . . . . . . . . . . . . . . 354--361 J. H. Wilkinson Calculation of the eigenvalues of a symmetric tridiagonal matrix by the method of bisection . . . . . . . . . . 362--367 J. H. Wilkinson Calculation of the eigenvectors of a symmetric tridiagonal matrix by inverse iteration . . . . . . . . . . . . . . . 368--376 R. Zurmühl Bemerkungen zum Verfahren von Hessenberg. (German) [Remark on a Method of Hessenberg] . . . . . . . . . . . . . 377--380 Herbert E. Salzer Equally-weighted formulas for numerical differentiation . . . . . . . . . . . . 381--392 Klaus Wohlfahrt Über die Berechnung der Periodenverhältnisse elliptischer Gebilde. (German) [On the Calculation of the Relationship of the Periods of Elliptic Structures] . . . . . . . . . . 393--397 H. Nagler On a property of simplex tableaux in the transportation problem . . . . . . . . . 398--402 C. W. Clenshaw and G. F. Miller and M. Woodger Algorithms for special functions. I . . 403--419 J. W. Backus and F. L. Bauer and J. Green and C. Katz and J. McCarthy and P. Naur and A. J. Perlis and H. Rutishauser and K. Samelson and B. Vauquois and J. H. Wegstein and A. van Wijngaarden and M. Woodger Revised report on the algorithmic language ALGOL 60 . . . . . . . . . . . 420--453
Gerhard Neubauer Eine empirische Untersuchung zur Mertensschen Funktion. (German) [An Empirical Investigation of the Merten Function] . . . . . . . . . . . . . . . 1--13 Günter Meinardus Über eine Verallgemeinerung einer Ungleichung von L. V. Kantorowitsch. (German) [On a Generalization of an Inequation of L. V. Kantorowitsch] . . . 14--23 Heinz-Otto Kreiss Über implizite Differenzmethoden für partielle Differentialgleichungen. (German) [On Implicit Difference Methods for Partial Differential Equations] . . 24--47 H. Rutishauser Ausdehnung des Rombergschen Prinzips. (German) [Extension of the Romberg Principle] . . . . . . . . . . . . . . . 48--54 Robert Sauer Differenzenverfahren für hyperbolische Anfangswertprobleme bei mehr als zwei unabhängigen Veränderlichen mit Hilfe von Nebencharakteristiken. (German) [Difference Method for Hyperbolic Initial Value Problems in More than Two Independent Variables with the Aid of Secondary Characteristics] . . . . . . . 55--67 Georg Aumann Über den Vergleichsfaktor bei linearen Approximationsproblemen. (German) [On the Comparison Factor for Linear Approximation Problems] . . . . . . . . 68--72 F. L. Bauer Optimally Scaled Matrices . . . . . . . 73--87 George W. Struble Orthogonal polynomials: Variable-signed weight functions . . . . . . . . . . . . 88--94 Heinz Rutishauser Stabile Sonderfälle des Quotienten-Differenzen-Algorithmus. (German) [Stable Special Cases of the Quotient-Difference Algorithm] . . . . . 95--112 Evelyn Frank On continued expansions for binomial quadratic surds. III . . . . . . . . . . 113--117 D. G. Aronson On the stability of certain finite difference approximations to parabolic systems of differential equations . . . 118--137 J. P. Imhof On the method for numerical integration of Clenshaw and Curtis . . . . . . . . . 138--141 N. Gastinel Sur-decomposition de normes générales et procédés iteratifs. (French) [Super Decomposition of Generalized Norms and Iterative Procedures] . . . . . . . . . 142--151 M. Stuart Lynn Some infra-max bounds for the spectral radii of splittings of $ {H}$-matrices 152--174 J. Douglas, Jr. and C. M. Pearcy On convergence of alternating direction procedures in the presence of singular operators . . . . . . . . . . . . . . . 175--184 Jean Descloux Bounds for the spectral norm of functions of matrices . . . . . . . . . 185--190 Theo Ginsburg The conjugate gradient method . . . . . 191--200 Thomas I. Seidman On the stability of certain difference schemes . . . . . . . . . . . . . . . . 201--210 James M. Ortega An Error Analysis of Householder's Method for the Symmetric Eigenvalue Problem . . . . . . . . . . . . . . . . 211--225 Günther Haemmerlin Über ableitungsfreie Schranken für Quadraturfehler. (German) [On Derivative-Free Bounds for Quadrature Error] . . . . . . . . . . . . . . . . . 226--233 A. S. Householder and John A. Carpenter The singular values of involutory and of idempotent matrices . . . . . . . . . . 234--237 Alexander Weinstein On the Sturm--Liouville theory and the eigenvalues of intermediate problems . . 238--245 N. J. Lehmann Optimale Eigenwerteinschliessungen. (German) [Optimal Eigenvalue Inclusion] 246--272 H. Rutishauser and H. R. Schwarz The $ L R $ transformation method for symmetric matrices . . . . . . . . . . . 273--289 D. G. Aronson A Correction to the Paper ``On the stability of certain finite difference approximations to parabolic systems of differential equations'' [Num. Math. \bf 5, 118--137 (1963)] . . . . . . . . . . 290--290 D. J. Hofsommer and R. van de Riet On the numerical calculation of elliptic integrals of the first and second kind and the elliptic functions of Jacobi . . 291--302 A. Schönhage Optimale Punkte für Differentiation und Integration. (German) [Optimal Points for Differentiation and Integration] . . 303--331 P. Wynn Note on a converging factor for a certain continued fraction . . . . . . . 332--352 Willi Törnig Über Differenzverfahren in Rechteckgittern zur numerischen Lösung quasilinearer hyperbolischer Differentialgleichungen. (German) [On the Difference Method in Rectangular Grid for the Numerical Solution of Quasilinear Hyperbolic Differential Equations] . . . . . . . . . . . . . . . 353--370 J. Stoer Duality in nonlinear programming and the minimax theorem . . . . . . . . . . . . 371--379 W. Börsch-Supan A Posteriori Error Bounds for the Zeros of Polynomials . . . . . . . . . . . . . 380--398 Hans J. Stetter Maximum bounds for the solutions of initial value problems for partial difference equations . . . . . . . . . . 399--424 Walter Gautschi On Inverses of Vandermonde and Confluent Vandermonde Matrices. II . . . . . . . . 425--430 A. A. Goldstein On the stability of rational approximation . . . . . . . . . . . . . 431--438 H. C. Kranzer An error formula for numerical differentiation . . . . . . . . . . . . 439--442 R. Ansorge Die Adams--Verfahren als Charakteristikenverfahren höherer Ordnung zur Lösung von hyperbolischen Systemen halblinearer Differentialgleichungen. (German) [The Adams method for characteristic procedures of higher order for the solution of hyperbolic systems of half-linear differential equations] . . . . . . . . . . . . . . . 443--460
R. Zurmühl Zur angenäherten ganzrationalen Tschebyscheff-Approximation mit Hilfe trigonometrischer Interpolation. (German) [Toward Approximate Fairly Rational Chebyshev Approximation with the Aid of Trigonometric Interpolation] 1--5 R. Bulirsch Bemerkungen zur Romberg-Integration. (German) [Remark on Romberg Integration] 6--16 J. Eve The evaluation of polynomials . . . . . 17--21 P. Wynn General purpose vector epsilon algorithm ALGOL procedures . . . . . . . . . . . . 22--36 G. Strang Accurate partial difference methods. II: Non-linear problems . . . . . . . . . . 37--46 A. A. Goldstein and R. B. Kripke Mathematical Programming by Minimizing Differentiable Functions . . . . . . . . 47--48 J. H. Bennett Integral equation methods for transport problems. Some numerical results . . . . 49--54 J. Stoer Über einen Dualitätssatz der nichtlinearen Programmierung. (German) [On a duality theorem of nonlinear programming] . . . 55--58 T. Tsuda and T. Kiyono Application of the Monte Carlo method to systems of nonlinear algebraic equations 59--67 H. E. Salzer Divided differences for functions of two variables for irregularly spaces arguments . . . . . . . . . . . . . . . 68--77 Jochen W. Schmidt Ausgangsvektoren für monotone Iterationen bei linearen Gleichungsystemen. (German) [Starting vectors for monotone iterations of linear equation systems] 78--88 J. Patry and J. Keller Zur Berechnung des Fehlerintegrals. (German) [Toward the Computation of Error Integrals] . . . . . . . . . . . . 89--97 A. W. Marshall and I. Olkin Inclusion theorems for eigenvalues from probability inequalities . . . . . . . . 98--102 Bernard R. Kripke Best approximation with respect to nearby norms . . . . . . . . . . . . . . 103--105 L. A. Hageman and R. S. Varga Block iterative methods for cyclically reduced matrix equations . . . . . . . . 106--119 B. R. Heap and M. S. Lynn The index of primitivity of a non-negative matrix . . . . . . . . . . 120--141 G. J. Tee An application of $p$-cyclic matrices, for solving periodic parabolic problems 142--159 L. Bittner Über ein mehrstufiges Iterationsverfahren zur Lösung von linearen Gleichungen. (German) [On a More Layered Iteration Method for Solution of Linear Equations] 161--180 J. E. Gunn The numerical solution of $\nabla\cdot a\nabla u = f$ by a semi-explicit alternating-direction iterative technique . . . . . . . . . . . . . . . 181--184 R. Lynch and J. Rice and D. Thomas Direct solution of partial difference equations by tensor product methods . . 185--199 D. Suschowk Difference analogues of Green's identities for grids in $R^n$ . . . . . 200--210 F. Briones On the alternants appearing in Chebyshev's best approximation problem 211--223 Rainer Ansorge Zur Struktur gewisser Konvergenzkriterien bei der numerischen Lösung von Anfangswertaufgaben. (German) [On the structure of some convergence criteria for numerical solving of certain initial value problems] . . . . 224--234 B. Boehm Functions whose best rational Chebyshev approximation are polynomials . . . . . 235--242 J. E. Gunn On the two-stage iterative method of Douglas for mildly non-linear elliptic difference equations . . . . . . . . . . 243--249 J. B. Rosen Primal partition programming for block diagonal matrices . . . . . . . . . . . 250--260 D. C. Handscomb Remarks on a Monte Carlo integration method . . . . . . . . . . . . . . . . . 261--268 C. G. Broyden Some generalisations of the theory of successive over-relaxation . . . . . . . 269--284 A. Mitchell and G. Fairweather Improved forms of the alternating direction methods of Douglas, Peaceman, and Rachford for solving parabolic and elliptic equations . . . . . . . . . . . 285--292 Ch.L. Lawson Characteristic properties of the segmented rational minmax approximation problem . . . . . . . . . . . . . . . . 293--301 J. Stoer On the characterization of least upper bound norms in matrix space . . . . . . 302--314 H. Wilf Exactness conditions in numerical quadrature . . . . . . . . . . . . . . . 315--319 Siegfried Filippi Angenäherte Tschebyscheff-Approximation einer Stammfunktion des Verfahrens von Clenshaw und Curtis. (German) [Chebyshev Approximation of a Primitive Function of the Clenshaw--Curtis Methods] . . . . . 320--328 A. G. Azpeitia and D. J. Dickinson A decision rule in the simplex method that avoids cycling . . . . . . . . . . 329--331 A. Schneider Bemerkungen zur numerischen Differentiation. (German) [Remark on numerical differentiation] . . . . . . . 332--334 M. Buchmann A condition for uniform Jordanization of a family of triangular matrices . . . . 335--345 B. R. Heap and M. S. Lynn A graph-theoretic algorithm for the solution of a linear Diophantine problem of Frobenius . . . . . . . . . . . . . . 346--354 N. Nirschl and H. Schneider The Bauer fields of values of a matrix 355--365 R. S. Varga On smallest isolated Gerschgorin disks for eigenvalues . . . . . . . . . . . . 366--376 P. Lancaster On eigenvalues of matrices dependent on a parameter . . . . . . . . . . . . . . 377--387 P. Lancaster Algorithms for lambda-matrices . . . . . 388--394 H. J. Weinitschke Über eine Klasse von Iterationsverfahren. (German) [On a Class of Iteration Methods] . . . . . . . . . . . . . . . . 395--404 W. Oettli and W. Prager Compatibility of Approximate Solution of Linear Equations With Given Error Bounds for Coefficients and Right-Hand Sides 405--409
L. Gerhards and W. Lindenberg Ein Verfahren zur Berechnung des vollständigen Untergruppenverbandes endlicher Gruppen auf Dualmaschinen. (German) [A Method for Calculation of the Complete Collection of Subgroups of Finite Groups from Dual Machines] . . . 1--10 Hans Schneider Positive operators and an inertia theorem . . . . . . . . . . . . . . . . 11--17 Hans J. Stetter Asymptotic expansions for the error of discretization algorithms for non- linear functional equations . . . . . . 18--31 Dietrich Braess Monotone Iterationsfolgen bei Gleichungssystemen mit fehlerhaften Koeffizienten und Iterationsbeschleunigung. (German) [Monotone Iteration Sequences for Equation Systems with Coefficients Having Errors, and Iteration Acceleration] . . . . . . . . . . . . . 32--41 Stefan Bergmann and John G. Herriot Numerical solution of boundary-value problems by the method of integral operators . . . . . . . . . . . . . . . 42--65 J. S. Maybee Some structural theorems for partial difference operators . . . . . . . . . . 66--72 G. W. Hedstrom The near-stability of the Lax--Wendroff method . . . . . . . . . . . . . . . . . 73--77 Roland Bulirsch Numerical calculation of elliptic integrals and elliptic functions . . . . 78--90
Keith Miller Numerical analogs to the Schwarz alternating procedure . . . . . . . . . 91--103 N. Metropolis Algorithms in unnormalized arithmetic. I: Recurrence relations . . . . . . . . 104--112 Seymour V. Parter Mildly nonlinear elliptic partial differential equations and their numerical solution. I . . . . . . . . . 113--128 Donald Greenspan and Seymour V. Parter Mildly nonlinear elliptic partial differential equations and their numerical solution. II . . . . . . . . . 129--146 Dietrich Marsal Eine Verallgemeinerung der Summenformel von Euler und ihre Anwendung auf ausgewählte Probleme der numerischen Integration. (German) [A Generalization of Euler's Summation Formula and its Use for Selected Problems of Numerical Integration] . . . . . . . . . . . . . . 147--154 M. R. Osborne A note on the numerical solution of a periodic parabolic problem . . . . . . . 155--158 A. L. Roark and G. M. Wing A method for computing the eigenvalues of certain integral equations . . . . . 159--170 John Todd On smallest isolated Gerschgorin disks for eigenvalues . . . . . . . . . . . . 170--175 Bruno Brosowski Über die Eindeutigkeit der rationalen Tschebyscheff-Approximationen. (German) [On the uniqueness of rational Chebyshev approximations] . . . . . . . . . . . . 176--186 Beresford Parlett Convergence of the $QR$ algorithm . . . 187--193 G. F. Miller Algorithms for special functions. II . . 194--196
Adriano M. Garsia Some bounds on best uniform linear approximation . . . . . . . . . . . . . 197--205 G. H. Golub Numerical Methods for Solving Linear Least Squares Problems . . . . . . . . . 206--216 John M. Bennett Triangular factors of modified matrices 217--221 H. P. Kuenzi and H. Tzschach The duoplex-algorithm . . . . . . . . . 222--225 B. R. Heap and M. S. Lynn On a linear Diophantine problem of Frobenius: an improved algorithm . . . . 226--231 Günther Hämmerlin Über ableitungsfreie Schranken für Quadraturfehler. II: Ergänzungen und Möglichkeiten zur Verbesserung. (German) [On constraints without derivatives for quadrature errors. II: Completions and possibilities to improve] . . . . . . . 232--237 James Alan Cochran The zeros of Hankel functions as functions of their order . . . . . . . . 238--250 J. Focke Über die Multiplikativität von Matrizennormen. (German) [On the Multiplicability of Matrix Norms] . . . 251--254 N. Gastinel Propriétés de certains ensembles normes de matrices. (French) [Properties of Certain Matrix Norm Ensembles] . . . . . 255--260 W. P. Timlake An extension of the ${\Sigma}^2$ procedure . . . . . . . . . . . . . . . 261--268 Peter A. Businger and Gene H. Golub Linear Least Squares Solutions by Householder Transformations . . . . . . 269--276
Manfred Reimer Eine Fehlerabschätzung für lineare Differenzenverfahren. (German) [An error bound for linear difference methods] . . 277--285 H. Greenspan and W. Hafner and M. Ribaric On varying stepsize in numerical integration of first order differential equations . . . . . . . . . . . . . . . 286--291 T. L. Hayden Continued fraction approximation to functions . . . . . . . . . . . . . . . 292--309 G. Németh Chebyshev expansions for Fresnel integrals . . . . . . . . . . . . . . . 310--312 Victor Klee A class of linear programming problems requiring a large number of iterations 313--321 Anthony Ralston Rational Chebyshev approximation by Remes' algorithms . . . . . . . . . . . 322--330 F. L. Bauer An elementary proof of the Hopf inequality for positive operators . . . 331--337 F. L. Bauer Elimination with Weighted Row Combinations for Solving Linear Equations and Least Squares Problems . . 338--352 Roland Bulirsch Numerical calculation of elliptic integrals and elliptic functions. II . . 353--354 N. Metropolis Berichtigung: Algorithms in unnormalized arithmetic. I: Recurrence relations . . 354--354
R. S. Martin and J. H. Wilkinson Symmetric Decomposition of Positive Definite Band Matrices . . . . . . . . . 355--361 R. S. Martin and G. Peters and J. H. Wilkinson Symmetric Decomposition of a Positive Definite Matrix . . . . . . . . . . . . 362--383 Robert E. Barnhill Complex quadratures with remainders of minimum norm . . . . . . . . . . . . . . 384--390 A. A. Goldstein On Newton's method . . . . . . . . . . . 391--393 A. L. Roark and L. F. Shampine On paper of Roark and Wing . . . . . . . 394--395 Bruno Brosowski Über Extremalsignaturen linearer Polynome in $n$ Veränderlichen. (German) [On the extremal signature of linear polynomials in $n$ variables] . . . . . . . . . . . 396--405 Francis J. Smith Quadrature methods based on the Clenshaw--Curtis method of integration 406--411 Herbert B. Keller On the accuracy of finite difference approximations to the eigenvalues of differential and integral operators . . 412--419 S. M. Shah and P. Suryanarayana Approximation of continuous functions by power series with polynomial coefficients . . . . . . . . . . . . . . 420--425 John R. Rice On the Conditioning of Polynomial and Rational Forms . . . . . . . . . . . . . 426--435
Roland Bulirsch and Josef Stoer Numerical treatment of ordinary differential equations by extrapolation methods . . . . . . . . . . . . . . . . 1--13 J. Legras Résolution numérique des grands syst\`emes différentiels linéaires. (French) [Numerical Solution of Large Systems of Linear Differentials] . . . . . . . . . 14--28 B. Dejon Stronger than uniform convergence of multistep difference methods . . . . . . 29--41 N. J. Lehmann Zur Verwendung optimaler Eigenwerteingrenzungen bei der Lösung symmetrischer Matrizenaufgaben. (German) [On the Use of Optimal Eigenvalue Enclosure for the Solution of Symmetric Matrix Problems] . . . . . . . . . . . . 42--55 Bui Trong Liêü and P. Huard La méthode des centres dans un espace topologique. (French) [The Method of Centers in a Topological Space] . . . . 56--67 Friedrich W. Schaefke and Dieter Schmidt Ein Verfahren zur Berechnung des charakteristischen Exponenten der Mathieuschen Differentialgleichung. III. (German) [A Method for Computation of the Characteristic Exponent of Mathieu' Differential Equation. III] . . . . . . 68--71 Dennis J. Mueller Householder's Method for Complex Matrices and Eigensystems of Hermitian Matrices . . . . . . . . . . . . . . . . 72--92
Roland Bulirsch and Josef Stoer Asymptotic upper and lower bounds for results of extrapolation methods . . . . 93--104 Jochen W. Schmidt Asymptotische Einschließung bei konvergenzbeschleunigenden Verfahren. (German) [Asymptotic bounds for convergence accelerating methods] . . . 105--113 B. R. Heap Random matrices and graphs . . . . . . . 114--122 Boro Döring Inverse Interpolation bei den speziellen Funktionen der mathematischen Physik. (German) [Inverse interpolation in the special functions of mathematical physics] . . . . . . . . . . . . . . . . 123--136 A. R. Gourlay and A. R. Mitchell Alternating direction methods for hyperbolic systems . . . . . . . . . . . 137--149 Frank Stenger Bounds on the error of Gauss-type quadratures . . . . . . . . . . . . . . 150--160 M. N. Spijker Convergence and stability of step-by-step methods for the numerical solution of initial-value problems . . . 161--177 Rainer Ansorge Zur Frage der Verallgemeinerung des Äquivalenzsatzes von Lax. (German) [On the Question of Generalization of the Lax Equivalence Principles] . . . . . . 178--185 Olaf B. Widlund Stability of parabolic difference schemes in the maximum norm . . . . . . 186--202
R. S. Martin and G. Peters and J. H. Wilkinson Iterative Refinement of the Solution of a Positive Definite System of Equations 203--216 H. J. Bowdler and R. S. Martin and G. Peters and J. H. Wilkinson Solution of Real and Complex Systems of Linear Equations . . . . . . . . . . . . 217--234 Hans J. Stetter Numerical approximation of Fourier-transforms . . . . . . . . . . . 235--249 John D. Lambert and Brian Shaw A generalisation of multistep methods for ordinary differential equations . . 250--263 P. Wynn Upon systems of recursions which obtain among the quotients of the Padé table . . 264--269 Karl G. Guderley and Paul J. Nikolai Reduction of two-point boundary value problems in a vector space to initial value problems by projection . . . . . . 270--289 Immo O. Kerner Ein Gesamtschrittverfahren zur Berechnung der Nullstellen von Polynomen. (German) [A Complete Step Method for the Computation of Zeros of Polynomials] . . . . . . . . . . . . . . 290--294 Ian Barrodale and Andrew Young Algorithms for best $L_1$ and $L_\infty$ linear approximations on a discrete set 295--306
C. G. Broyden and F. Ford An algorithm for the solution of certain kinds of linear equations . . . . . . . 307--323 Tetsuro Yamamoto A computational method for the dominant root of a nonnegative irreducible matrix 324--333 Günther Hämmerlin Zur Abschätzung von Quadraturfehlern für analytische Funktionen. (German) [On Bounds for Quadrature Error for Analytic Funktions] . . . . . . . . . . . . . . . 334--344 J. Meinguet Methods for estimating the remainder in linear rules of approximation. Application to the Romberg algorithm . . 345--366 A. R. Gourlay and A. R. Mitchell A stable implicit difference method for hyperbolic systems in two space variables . . . . . . . . . . . . . . . 367--375 Victor Pereyra On improving an approximate solution of a functional equation by deferred corrections . . . . . . . . . . . . . . 376--391 Rudolf Gorenflo and Yehudith Kovetz Solution of an Abel-type integral equation in the presence of noise by quadratic programming . . . . . . . . . 392--406
W. S. Rudert and H. G. Lill Über Partitionen und ein lineares diophantisches Problem. (German) [On partitions and a linear Diophantine problem] . . . . . . . . . . . . . . . . 407--411 J. Ponstein Splitting certain eigenvalue/eigenvector problems . . . . . . . . . . . . . . . . 412--421 W. W. Clendenin A method for numerical calculation of Fourier integrals . . . . . . . . . . . 422--436 T. A. Porsching Diagonal similarity transformations which isolate Gerschgorin disks . . . . 437--443 B. W. Ninham Generalised functions and divergent integrals . . . . . . . . . . . . . . . 444--457 J. N. Lyness and C. B. Moler Van der Monde Systems and Numerical Differentiation . . . . . . . . . . . . 458--464 W. B. Gragg and A. S. Householder On a Theorem of König . . . . . . . . . . 465--468
H. Rutishauser The Jacobi method for real symmetric matrices . . . . . . . . . . . . . . . . 1--10 H. P. M. van Kempen On the convergence of the classical Jacobi method for real symmetric matrices with non-distinct eigenvalues 11--18 H. P. M. van Kempen On the quadratic convergence of the special cyclic Jacobi method . . . . . . 19--22 L. B. Rall Convergence of the Newton process to multiple solutions . . . . . . . . . . . 23--37 A. H. Stroud Some approximative integration formulas of degree $3$ for an $n$-dimensional simplex . . . . . . . . . . . . . . . . 38--45 A. S. Householder Separation theorems for normalizable matrices . . . . . . . . . . . . . . . . 46--50 M. L. Buchanan and B. N. Parlett The uniform convergence of matrix powers 51--54 P. Lancaster Error analysis for the Newton--Raphson method . . . . . . . . . . . . . . . . . 55--68 Karl Nickel Über die Notwendigkeit einer Fehlerschranken-Arithmetik für Rechenautomaten. (German) [On the Need for Interval Arithmetic on Computers] 69--79 Karl Nickel Die numerische Berechnung der Wurzeln eines Polynoms. (German) [The Numerical Computation of Polynomial Roots] . . . . 80--98 James W. Daniel Correcting approximations to multiple roots of polynomials . . . . . . . . . . 99--102
H. Rutishauser Bestimmung der Eigenwerte orthogonaler Matrizen. (German) [Determination of the Eigenvalues of Orthogonal Matrices] . . 104--108 Miroslav Fiedler Matrix inequalities . . . . . . . . . . 109--119 Peter Henrici and Pia Pflüger Truncation error estimates for Stieltjes fractions . . . . . . . . . . . . . . . 120--138 G. H. Golub and J. H. Wilkinson Note on the Iterative Refinement of Least Squares Solution . . . . . . . . . 139--148 Johann Schröder Operator-Ungleichungen und ihre numerische Anwendung bei Randwertaufgaben. (German) [Operator inequalities and their numerical use in boundary value problems] . . . . . . . . 149--162 Miroslav Fiedler and Vlastimil Pták Some generalizations of positive definiteness and monotonicity . . . . . 163--172 F. L. Bauer Inclusion sets for roots of polynomials 173--176
W. J. Cody and J. Stoer Rational Chebyshev approximations using interpolation . . . . . . . . . . . . . 177--188 F. Robert Recherche d'une $M$-matrice parmi les minorantes d'un opérateur linéaire. (French) [Search for an $M$-Matrix among the Minorants of a Linear Operator] . . 189--199 Frank Stenger Error bounds for the evaluation of integrals by repeated Gauss-type formulae . . . . . . . . . . . . . . . . 200--213 B. Penkov and Bl. Sendov Hausdorffsche Metrik und Approximationen. (German) [Hausdorff Metric and Approximations] . . . . . . . 214--226 Victor Klee A comparison of primal and dual methods of linear programming . . . . . . . . . 227--235 James H. Bramble A second order finite difference analog of the first biharmonic boundary value problem . . . . . . . . . . . . . . . . 236--249 George T. Symm An integral equation method in conformal mapping . . . . . . . . . . . . . . . . 250--258 W. W. Bradbury and R. Fletcher New Iterative Methods for Solution of the Eigenproblem . . . . . . . . . . . . 259--267 B. Dejon Addendum to ``stronger than uniform convergence of multistep difference methods'' . . . . . . . . . . . . . . . 268--270
Roland Bulirsch and Josef Stoer Numerical quadrature by extrapolation 271--278 R. S. Martin and J. H. Wilkinson Solution of Symmetric and Unsymmetric Band Equations and the Calculation of Eigenvectors of Band Matrices . . . . . 279--301 Peter Hofmann Asymptotic expansions of the discretization error of boundary value problems of the Laplace equation in rectangular domains . . . . . . . . . . 302--322 J. Oliver Relative error propagation in the recursive solution of linear recurrence relations . . . . . . . . . . . . . . . 323--340 Minoru Urabe Numerical solution of multi-point boundary value problems in Chebyshev series. Theory of the method . . . . . . 341--366 B. Shaw Some multistep formulae for special high order ordinary differential equations 367--378 R. Sauer Alwin Watther em. ord. Professor an der Technischen Hochschule Darmstadt . . . . 379--379
Roland Bulirsch Numerical calculation of the sine, cosine and Fresnel integrals . . . . . . 380--385 R. S. Martin and W. Barth and J. H. Wilkinson Calculation of the Eigenvalues of a Symmetric Tridiagonal matrix by the Method of Bisection . . . . . . . . . . 386--393 P. G. Ciarlet and M. H. Schultz and R. S. Varga Numerical methods of high-order accuracy for nonlinear boundary value problems. I: One dimensional problem . . . . . . . 394--430 Ernst Merzrath Direct solution of partial difference equations . . . . . . . . . . . . . . . 431--436 R. M. Redheffer Bemerkungen über Differentialungleichungen bei abzählbaren Ausnahmemengen. (German) [Remark on Differential Equations for Countable Sets] . . . . . . . . . . . . . . . . . 437--445 W. R. Hodgkins On the relation between dynamic relaxation and semi-iterative matrix methods . . . . . . . . . . . . . . . . 446--451 Dieter Gaier and John Todd On the rate of convergence of optimal ADI processes . . . . . . . . . . . . . 452--459 A. H. Stroud Some fifth degree integration formulas for symmetric regions II . . . . . . . . 460--468
N. Metropolis and M. L. Stein and P. R. Stein Stable states of a non-linear transformation . . . . . . . . . . . . . 1--19 Dennis Eisen The equivalence of stability and convergence for finite difference schemes with singular coefficients . . . 20--29 David Gries Characterizations of certain classes of norms . . . . . . . . . . . . . . . . . 30--41 Jochen W. Schmidt and Hartmut Dressel Fehlerabschätzungen bei Polynomgleichungen mit dem Fixpunktsatz von Brouwer. (German) [Error estimates by polynomial equations with Brouwer's fixed point estimate] . . . . . . . . . 42--50 Bruno Brosowski and Henry L. Loeb Zur Eindeutigkeit der rationalen Tschebyscheff-Approximation an stetig differenzierbare Funktionen. (German) [On the uniqueness of rational Chebyshev approximation of continuous differentiable functions] . . . . . . . 51--55 G. Fairweather and A. R. Gourlay and A. R. Mitchell Some high accuracy difference with a splitting operator for equations of parabolic and elliptic type . . . . . . 56--66 P. Keast and A. R. Mitchell Finite difference solution of the third boundary problem in elliptic and parabolic equations . . . . . . . . . . 67--75 M. R. Osborne The numerical solution of a periodic parabolic problem subject to a nonlinear boundary condition . . . . . . . . . . . 76--79 Wolfgang Walter Bemerkungen zu Iterationsverfahren bei linearen Gleichungssystemen. (German) [Remark on Iteration Method for Linear Equation Systems] . . . . . . . . . . . 80--85 L. Duane Pyle A generalized inverse $\epsilon$-algorithm for constructing intersection projection matrices, with applications . . . . . . . . . . . . . . 86--102
S. L. Mehndiratta Symmetry and self-duality in nonlinear programming . . . . . . . . . . . . . . 103--109 Takao Tsuda and Kozo Ichida and Takeshi Kiyono Monte Carlo path-integral calculations for two-point boundary-value problems 110--116 Kendall E. Atkinson The solution of non-unique linear integral equations . . . . . . . . . . . 117--124 James W. Daniel Convergence of the Conjugate Gradient Method with Computationally Convenient Modifications . . . . . . . . . . . . . 125--131 Jean-François Maitre Norme composée et norme associée généralisée d'une matrice. (French) [Composed and Associative Generalized Matrix Norm] . . 132--141 G. Loizou Bounds for the inequality of Wielandt 142--146 Charles B. Dunham Transformed rational Chebyshev approximation . . . . . . . . . . . . . 147--152 L. Elsner and R. M. Redheffer Remarks on band matrices . . . . . . . . 153--161
G. W. Stewart III A generalization of a theorem of Fan on Gershgorin disks . . . . . . . . . . . . 162--162
Beresford Parlett Correction to convergence of the QR algorithm . . . . . . . . . . . . . . . 163--164 C. W. Cryer On the calculation of the largest eigenvalue of an integral equation . . . 165--176
Christian H. Reinsch Smoothing by spline functions . . . . . 177--183 A. A. Goldstein and J. F. Price An effective algorithm for minimization 184--189 P. J. Laurent Théor\`emes de caractérisation d'une meilleure approximation dans un espace norme et généralisation de l'algorithme de Remes. (French) [Theorems for Characterizing the Best Approximation in a Normed Space and Generalization of the Remes Algorithm] . . . . . . . . . . . . 190--208 Rainer Ansorge Konvergenz von Mehrschrittverfahren zur Lösung halblinearer Anfangswertaufgaben. (German) [Convergence of a multistep method for solution of half-linear initial-value problems] . . . . . . . . 209--219 Erich Bohl Nichtlineare Aufgaben in halbgeordneten Räumen. (German) [Nonlinear problems in half-ordered spaces] . . . . . . . . . . 220--231 R. A. Smith The condition numbers of the matrix eigenvalue problem . . . . . . . . . . . 232--240 Horst Kadner Die numerische Behandlung von Integralgleichungen nach der Kollokationsmethode. (German) [The numerical treatment of integral equations in the collocation method] . . 241--260 N. J. Lehmann Fehlerschranken für Näherungslösungen bei Differentialgleichungen. (German) [Error bounds for approximate solutions of differential equations] . . . . . . . . 261--288
H. Werner and J. Stoer and W. Bommas Rational Chebyshev approximation . . . . 289--306 G. J. Cooper and E. Gal Single step methods for linear differential equations . . . . . . . . . 307--315 Victor Pereyra Iterated deferred corrections for nonlinear operator equations . . . . . . 316--323 Joseph T. Ryan A sieve method for classifying composite numbers . . . . . . . . . . . . . . . . 324--326 J. McNamee and F. Stenger Construction of fully symmetric numerical integration formulas . . . . . 327--344 M. H. Schultz and R. S. Varga L-splines . . . . . . . . . . . . . . . 345--369 J. Meinguet Optimal approximation and error bounds in seminormed spaces . . . . . . . . . . 370--388
John J. H. Miller On power-bounded operators and operators satisfying a resolvent condition . . . . 389--396 Dennis Eisen On the numerical solution of $u_t = u\sb{rr} +{2\over r} u_r$ . . . . . . . 397--409 Peter Förster Existenzaussagen und Fehlerabschätzungen bei gewissen nichtlinearen Randwertaufgaben mit gewöhnlichen Differentialgleichungen. (German) [Existence statement and error bounds for certain nonlinear boundary value problems with ordinary differential equations] . . . . . . . . . . . . . . . 410--422 Hanns-Jörg Stoss Ein Verfahren zur Berechnung des charakteristischen Exponenten der Differentialgleichung $y'' + (\lambda + 2\lambda1cos\chi + 2\lambda 2 cos 2\chi) y = 0$. (German) [A procedure for the computation of the characteristic exponent of the differential equation $y'' + (\lambda + 2\lambda1cos\chi + 2\lambda 2 cos 2\chi) y = 0$] . . . . . 423--436 George T. Symm Numerical mapping of exterior domains 437--445 John D. Dixon High speed computation of group characters . . . . . . . . . . . . . . . 446--450 M. Menzel and N. Metropolis Algorithms in unnormalized arithmetic II. Unrestricted polynomial evaluation 451--462
P. J. Eberlein and J. Boothroyd Solution to the Eigenproblem by a Norm Reducing Jacobi Type Method . . . . . . 1--12 G. T. McAllister A priori bounds on difference quotients of solutions to some linear uniformly elliptic difference equations . . . . . 13--37 P. M. Anselone and L. B. Rall The solution of characteristic value-vector problems by Newton's method 38--45 Sidney Heller On the uniform positivity of a certain finite difference matrix . . . . . . . . 46--52 Jochen W. Schmidt Asymptotische Einschließung bei konvergenzbeschleunigenden Verfahren. II. (German) [Asymptotic enclosure with convergence acceleration method. II] . . 53--56 George E. Forsythe On the asymptotic directions of the $s$-dimensional optimum gradient method 57--76 M. Stuart Lynn and William P. Timlake The numerical solution of singular integral equations of potential theory 77--98
R. S. Martin and J. H. Wilkinson Reduction of the Symmetric Eigenproblem $Ax = \lambda Bx$ and Related Problems to Standard Form . . . . . . . . . . . . 99--110 Victor Pereyra Iterated deferred corrections for nonlinear boundary value problems . . . 111--125 A. S. Householder Moments and characteristic roots. II . . 126--128 L. Bittner Abschätzungen bei Variationsmethoden mit Hilfe von Dualitätssätzen. I. (German) [Bounds of the Variational Method with the Aid of the Duality Principle. I] . . 129--143 Heinrich N. Müller Zur Eindeutigkeit bei der linearen Approximation im allgemeinen sowie Tschebyscheffschen Fall. (German) [On the Uniqueness of the Linear Approximation in General as Well as Chebyshev Cases] . . . . . . . . . . . . 144--150 Wolfgang Werner Numerical solution of systems of quasilinear hyperbolic differential equations by means of the method of nebencharacteristics in combination with extrapolation methods . . . . . . . . . 151--169 H. Kempfert On sign determinations in real algebraic number fields . . . . . . . . . . . . . 170--174 N. Apostolatos and U. Kulisch and R. Krawczyk and B. Lortz and K. Nickel and H. W. Wippermann The algorithmic language Triplex-ALGOL 60 . . . . . . . . . . . . . . . . . . . 175--180
R. S. Martin and C. Reinsch and J. H. Wilkinson Householder's tridiagonalization of a symmetric matrix . . . . . . . . . . . . 181--195 Vidar Thomée and Bertil Westergren Elliptic difference equations and interior regularity . . . . . . . . . . 196--210 Tetsuro Yamamoto On the eigenvalues of compact operators in a Hilbert space . . . . . . . . . . . 211--219 Werner Krabs Lineare Optimierung in halbgeordneten Vektorräumen. (German) [Linear Optimization in Half-Ordered Vector Spaces] . . . . . . . . . . . . . . . . 220--231 G. Birkhoff and M. H. Schultz and R. S. Varga Piecewise Hermite interpolation in one and two variables with applications to partial differential equations . . . . . 232--256 R. De Meersman The method of Garabedian . . . . . . . . 257--263 C. Reinsch and F. L. Bauer Rational $ Q R $ Transformation with Newton Shift for Symmetric Tridiagonal Matrices . . . . . . . . . . . . . . . . 264--272 A. H. Stroud Some seventh degree integration formulas for the surface of an $n$-sphere . . . . 273--276 V. Felsch and J. Neubüser Über ein Programm zu Berechnung der Automorphismengruppe einer endlichen Gruppe. (German) [On a Program for Computation of the Automorphism Group of a Finite Group] . . . . . . . . . . . . 277--292
Hilary J. Bowdler and R. S. Martin and C. Reinsch and J. H. Wilkinson The $ Q R $ and $ Q L $ Algorithms for Symmetric Matrices . . . . . . . . . . . 293--306 H. Kschwendt Convergence limits in the Monte Carlo theory of integral equations . . . . . . 307--314 George Pólya Graeffe's method for eigenvalues . . . . 315--319 Helen I. Medley and Richard S. Varga On Smallest Isolated Gerschgorin Disks for Eigenvalues. II . . . . . . . . . . 320--323 J. E. Dennis, Jr. On Newton-like methods . . . . . . . . . 324--330 P. G. Ciarlet and M. H. Schultz and R. S. Varga Numerical methods of high-order accuracy for nonlinear boundary value problems. II: Nonlinear boundary conditions . . . 331--345 Joachim A. Nitsche Ein Kriterium für die Quasi-Optimalität des Titzschen Verfahrens. (German) [A Criterion for the Quasi-Optimality of Titzche Methods] . . . . . . . . . . . . 346--348 J. Oliver The numerical solution of linear recurrence relations . . . . . . . . . . 349--360
Helen I. Medley and Richard S. Varga On Smallest Isolated Gerschgorin Disks for Eigenvalues. III . . . . . . . . . . 361--369 William B. Gragg Truncation error bounds for $g$-fractions . . . . . . . . . . . . . 370--379 Wolfgang Wendland Die Behandlung von Randwertaufgaben im $R_3$ mit Hilfe von Einfach- und Doppelschichtpotentialen. (German) [The treatment of boundary-value problems in ${R}_3$ by simple and double blocking layer potentials] . . . . . . . . . . . 380--404 Albert Bode Matrizielle untere Schranken linearer Abbildungen und $M$-Matrizen. (German) [Matrix lower bounds of linear transformations and ${M}$ Matrices] . . W. L. Wood On an explicit numerical method for solving the biharmonic equation . . . . 413--426 Hansgeorg Jeggle Zur Diskretisierung einer Klasse Fredholmscher Integralgleichungen mit singulãrem Wert der Ordnung $1$. (German) [On the discretisation of a class of Fredholm integral equations with singular values of order $1$] . . . . . 427--443 U. Kulisch Über reguläre Zerlegungen von Matrizen und einige Anwendungen. (German) [On Regular Dismantlings of Stencils and Some Applications] . . . . . . . . . . . . . 444--449
Ulrich Eckhardt Einige Eigenschaften Wilfscher Quadraturformeln. (German) [Some Eigenvalues of the Wilf Quadrature Formula] . . . . . . . . . . . . . . . . 1--7 Charles B. Dunham Transformed rational Chebyshev approximation. II . . . . . . . . . . . 8--10 J. M. Watt Consistency, Convergence and Stability of General Discretizations of the Initial Value Problem . . . . . . . . . 11--22 Robert H. Moore Approximations to nonlinear operator equations and Newton's method . . . . . 23--34 K. P. Hadeler Newton-Verfahren für inverse Eigenwertaufgaben. (German) [Newton Method for Inverse Eigenvalue Problems] 35--39 Tomaso Pomentale On discrete rational least squares approximation . . . . . . . . . . . . . 40--46 C. G. Broyden Some aspects of consistent ordering . . 47--56 Bruno Brosowski and Josef Stoer Zur rationalen Tschebyscheff-Approximation differenzierbarer und analytischer Funktionen. (German) [On a rational Chebyshev approximation of differentiable and analytic functions] 57--65 P. M. Anselone and P. J. Laurent A general method for the construction of interpolating or smoothing spline-functions . . . . . . . . . . . . 66--82 Albert W. Marshall and Ingram Olkin Scaling of matrices to achieve specified row and column sums . . . . . . . . . . 83--90
F. L. Bauer Fields of values and Gershgorin disks 91--95 Chr. Zenger On convexity properties of the Bauer field of values of a matrix . . . . . . 96--105 Jean-François Ma\^\itre Sur une classe de normes et l'analyse a posteriori d'un syst\`eme linéaire. (French) [On a Class of Norms and the A Posteriori Analysis of a Linear System ] 106--110 Aldo Ghizzetti Procedure for constructing quadrature formulae on infinite intervals . . . . . 111--119 P. G. Ciarlet and M. H. Schultz and R. S. Varga Numerical methods of high-order accuracy for nonlinear boundary value problems. III: Eigenvalue problems . . . . . . . . 120--133 R. J.-B. Wets and Christoph Witzgall Towards an algebraic characterization of convex polyhedral cones . . . . . . . . 134--138 Hans J. Stetter Instability and non-monotonicity phenomena in discretizations to boundary value problems . . . . . . . . . . . . . 139--145 Josef Stoer Lower bounds of matrices . . . . . . . . 146--158
L. Neckermann and P. O. Runck Über Approximationseigenschaften differenzierter Lagrangescher Interpolationspolynome mit Jacobischen Abszissen. (German) [On Approximate Eigenvalues of Differentiated Lagrangian Interpolation Polynomials with Jacobian Abscissas] . . . . . . . . . . . . . . . 159--169 A. L. Roark and L. F. Shampine On the eigenproblem for displacement integral equations . . . . . . . . . . . 170--179 A. R. Gourlay and A. R. Mitchell High accuracy A.D.I. methods for parabolic equations with variable coefficients . . . . . . . . . . . . . . 180--185 Kenneth M. Brown and J. E. Dennis, Jr. On Newton-Like Iteration Functions: General Convergence Theorems and a Specific Algorithm . . . . . . . . . . . 186--191 Marc Atteia Fonctions `spline' définies sur un ensemble convexe. (French) [Spline Functions Defined on a Convex Set] . . . 192--210 Peter Forster Bemerkungen zum Iterationsverfahren von Schulz zur Bestimmung der Inversen einer Matrix. (German) [Remarks on Schulz's iterative method for computing the inverse of a matrix] . . . . . . . . . . 211--214 M. J. M. Bernal and J. H. Verner On Generalizations of the Theory of Consistent Orderings for Successive Over-Relaxation Methods . . . . . . . . 215--222 Heinz-Otto Kreiss On the numerical solution of the spherically symmetric diffusion equation 223--225 Miroslav Ma\vnas and Josef Nedoma Finding all vertices of a convex polyhedron . . . . . . . . . . . . . . . 226--229 W. J. Cody and J. Stoer Corrigendum: ``Rational Chebyshev approximations using interpolation'' . . 230--230
H. R. Schwarz Tridiagonalization of a symmetric band matrix . . . . . . . . . . . . . . . . . 231--241 W. J. Cody and W. Fraser and J. F. Hart Rational Chebyshev approximation using linear equations . . . . . . . . . . . . 242--251 J. N. Lyness The calculation of Stieltjes' integral 252--265 P. G. Ciarlet and M. H. Schultz and R. S. Varga Numerical methods of high-order accuracy for nonlinear boundary value problems. IV: Periodic boundary conditions . . . . 266--279 M. R. Osborne The numerical solution of a periodic parabolic problem subject to a nonlinear boundary condition. II . . . . . . . . . 280--287 A. R. G. Heesterman Special simplex algorithm for multi-sector problems . . . . . . . . . 288--306 Wolfgang Walter Die Linienmethode bei nichtlinearen parabolischen Differentialgleichungen. (German) [The Line Method for Nonlinear Parabolic Differential Equations] . . . 307--321 P. Keast The third boundary value problem for elliptic equations . . . . . . . . . . . 322--326 S. Karamardian Existence of solutions of certain systems of nonlinear inequalities . . . 327--334 C. W. Cryer Pivot Size in Gaussian Elimination . . . 335--345 P. A. Businger Matrices Which Can Be Optimally Scaled 346--348
Roger S. Martin and J. H. Wilkinson Similarity Reduction of a General Matrix to Hessenberg Form . . . . . . . . . . . 349--368 Roger S. Martin and J. H. Wilkinson The Modified $LR$ Algorithm for Complex Hessenberg Matrices . . . . . . . . . . 369--376 R. S. Martin and J. H. Wilkinson The Implicit $QL$ Algorithm . . . . . . 377--383 Robert E. Barnhill Asymptotic properties of minimum norm and optimal quadratures . . . . . . . . 384--393 Milo\vs Zlámal On the finite element method . . . . . . 394--409 L. F. Shampine Error bounds and variational methods for nonlinear boundary value problems . . . 410--415 M. Fraser and N. Metropolis Algorithms in unnormalized arithmetic. III: Matrix inversion . . . . . . . . . 416--428 G. Loizou On matrices with a checkerboard sign distribution . . . . . . . . . . . . . . 429--430 H. Noltemeier and M. Ost Zum Auswahlproblem. (German) [On the Selection Problem] . . . . . . . . . . . 431--434 J.-J. Goël Construction of basic functions for numerical utilisation of Ritz's method 435--447 F. W. Schäfke Zum Zeilensummenkriterium. (German) [On the line sum criterion] . . . . . . . . 448--453 Haruo Sunouchi Perturbation theory of difference schemes . . . . . . . . . . . . . . . . 454--458 J. Oliver An extension of Olver's error estimation technique for linear recurrence relations . . . . . . . . . . . . . . . 459--467
F. L. Bauer Remarks on Optimally Scaled Matrices . . 1--3 Heinz Rutishauser Computational aspects of F. L. Bauer's simultaneous iteration method . . . . . 4--13 J. H. Verner The Order of Some Implicit Runge--Kutta Methods . . . . . . . . . . . . . . . . 14--23 Jochen Werner Einschließungssaätze bei nichtlinearen gewönlichen Randwertaufgaben und erzwungene Schwingungen. (German) [Enclosure Principles for Nonlinear Ordinary Boundary Value Problems and Forced Vibrations] . . . . . . . . . . . 24--38 Hans Ade Iterationsverfahren höherer Ordnung in Banach-Räumen. (German) [Iteration Methods of Higher-Order in Banach Spaces] . . . . . . . . . . . . . . . . 39--50 P. G. Ciarlet and M. H. Schultz and R. S. Varga Numerical methods of high-order accuracy for nonlinear boundary value problems. V: Monotone Operator Theory . . . . . . 51--77 Frank Natterer Einschließungen für die großen Eigenwerte gewönlicher Differentialgleichungen zweiter und vierter Ordnung. (German) [Bounds for the large eigenvalues of second- and fourth-order ordinary differential equations] . . . . . . . . 78--93 Dietbert Ehresmann Zur Abschätzung des Bestapproximationsfehlers bei der Approximation differenzierbarer Funktionen durch Polynome. (German) [Toward Approximation of Best Approximation Errors for the Approximation of Differentiable Functions by Polynomials] . . . . . . . 94--100
J. H. Bramble On the convergence of difference approximations to weak solutions of Dirichlet's problem . . . . . . . . . . 101--111 H. Werner and Dietrich Braess Über den Zusammenhang von Interpolation und diskreter $T$-Approximation mit rationalen Funktionen. (German) [On the Coherence of Interpolation and Discrete $T$ Approximation with Rational Functions] . . . . . . . . . . . . . . . 112--128 R. S. Anderssen The numerical solution of parabolic differential equations using variational methods . . . . . . . . . . . . . . . . 129--145 V. P. Sreedharan Solutions of overdetermined linear equations which minimize error in an abstract norm . . . . . . . . . . . . . 146--151 John E. Osborn A note on a perturbation theorem for the matrix eigenvalue problem . . . . . . . 152--153 E. Stiefel and D. G. Bettis Stabilization of Cowell's method . . . . 154--175 D. P. Squier One-step methods for ordinary differential equations . . . . . . . . . 176--179 F. M. Perrin and H. S. Price and R. S. Varga On higher-order numerical methods for nonlinear two-point boundary value problems . . . . . . . . . . . . . . . . 180--198
M. R. Osborne and G. A. Watson On estimating best approximations of functions defined by differential equations . . . . . . . . . . . . . . . 199--206 Ivo Marek On the row sum criterion and the convergence of some iterative processes 207--216 Rainer Ansorge Konvergenz von Differenzenverfahren für quasilineare Anfangswertaufgaben. (German) [Convergence of Difference Methods for Quasilinear Initial Value Problems] . . . . . . . . . . . . . . . 217--225 Erich Bohl Über Fehlerabschätzungen bei nichtlinearen Operatorgleichungen. (German) [On Error Bounds for Nonlinear Operator Equations] 226--237 Lee W. Johnson Uniform approximation of vector-valued functions . . . . . . . . . . . . . . . 238--244 L. Elsner Bemerkung zu einer Arbeit von Marshall und Olkin. (German) [Remark on a paper of Marshall and Olkin] . . . . . . . . . 245--246 M. V. Pattabhiraman and P. Lancaster Spectral properties of a polynomial operator . . . . . . . . . . . . . . . . 247--259 Joachim A. Nitsche Verfahren von Ritz und Spline-Interpolation bei Sturm--Liouville-Randwertproblemen. (German) [Ritz methods and spline interpolation of Sturm--Liouville boundary value problems] . . . . . . . . 260--265 R. Bulirsch An extension of the Bartky-transformation to incomplete elliptic integrals of the third kind . . 266--284 K. P. Hadeler Einige Anwendungen mehrparametriger Eigenwertaufgaben. (German) [Some Uses of Extra Parametrized Eigenvalue Problems] . . . . . . . . . . . . . . . 285--292
B. N. Parlett and C. Reinsch Balancing a matrix for calculation of eigenvalues and eigenvectors . . . . . . 293--304 R. Bulirsch Numerical calculation of elliptic integrals and elliptic functions. III 305--315 John W. Rainey On comparatively stable tridiagonalization methods . . . . . . . 316--322 P. Razelos On the accuracy of the analog solution of heat conduction problems involving Newtonian cooling . . . . . . . . . . . 323--333 J. Nitsche Interpolation in Sobolevschen Funktionenräumen. (German) [Interpolation in Sobolev function spaces] . . . . . . 334--343 H. J. Dirschmid Bemerkungen zu einer Arbeit von G. Polya zur Bestimmung der Nullstellen ganzer Funktionen. (German) [Comment on a work by G. Polya for Determining Zeros of Real Functions] . . . . . . . . . . . . 344--348 Ji\vrí Soukup A method for finding the roots of a polynomial . . . . . . . . . . . . . . . 349--353 Volker Strassen Gaussian Elimination is Not Optimal . . 354--356 Joel Davis and Jerome J. Jacoby Numerical integration of linear integral equations with mild discontinuity . . . 357--361 G. W. Stewart Accelerating the orthogonal iteration for the eigenvectors of a Hermitian matrix . . . . . . . . . . . . . . . . . 362--376
P. J. Taylor A generalisation of systematic relaxation methods for consistently ordered matrices . . . . . . . . . . . . 377--395 Apostolos Hadjidimos On some high accuracy difference schemes for solving elliptic equations . . . . . 396--403 Erwin H. Bareiss Numerical Solution of Linear Equations with Toeplitz and Vector Toeplitz Matrices . . . . . . . . . . . . . . . . 404--424 Nancy K. Nichols and L. Fox Generalised consistent ordering and the optimum successive overrelaxation factor 425--433 Frank Natterer Numerische Behandlung singulärer Sturm--Liouville-Probleme. (German) [Numerical treatment of singular Sturm--Liouville problems] . . . . . . . 434--447 George T. Symm Conformal mapping of doubly-connected domains . . . . . . . . . . . . . . . . 448--457 G. W. Stewart Some iterations for factoring a polynomial . . . . . . . . . . . . . . . 458--470 A. S. Householder and G. W. Stewart Comments on ``Some iterations for factoring a polynomial'' . . . . . . . . 470--471
J. N. Lyness and C. B. Moler Generalized Romberg methods for integrals of derivatives . . . . . . . . 1--13 A. van der Sluis Condition Numbers and Equilibration of Matrices . . . . . . . . . . . . . . . . 14--23 Karl-Heinz Hoffman Zur Theorie der nichtlinearen Tschebyscheff-Approximation mit Nebenbedingungen. (German) [Toward a Theory of Nonlinear Chebyshev Approximation with Constraints] . . . . 24--41 Milo\vs Zlámal On some finite element procedures for solving second order boundary value problems . . . . . . . . . . . . . . . . 42--48 Ivo Marek and Richard S. Varga Nested bounds for the spectral radius 49--70 G. D. Taylor Approximation by functions having restricted ranges: Equality case . . . . 71--78
A. van Wijngaarden and B. J. Mailloux and J. E. L. Peck and C. H. A. Koster Report on the Algorithmic Language ALGOL 68 . . . . . . . . . . . . . . . . . . . 79--218
R. S. Martin and G. Peters and J. H. Wilkinson The $QR$ Algorithm for real Hessenberg matrices . . . . . . . . . . . . . . . . 219--231 P. J. Eberlein Solution to the complex eigenproblem by a norm reducing Jacobi type method . . . 232--245 A. van der Sluis Stability of Solutions of Linear Algebraic Systems . . . . . . . . . . . 246--251 M. A. Jenkins and J. F. Traub A three-stage variable-shift iteration for polynomial zeros and its relation to generalized Rayleigh iteration . . . . . 252--263 W. E. Bosarge, Jr. and Peter L. Falb Infinite dimensional multipoint methods and the solution of two point boundary value problems . . . . . . . . . . . . . 264--286 Wolfgang Börsch-Supan Residuenabschätzung für Polynom-Nullstellen mittels Lagrange-Interpolation. (German) [Residue Bounds for Polynomial Zeros through Lagrange Interpolation] . . . . 287--296 Chandler Davis On a theorem of Yamamoto . . . . . . . . 297--298 Arnold Schönhage Mehrdimensionale Romberg-Integration. (German) [Multidimensional Romberg Integration] . . . . . . . . . . . . . . 299--304 Richard B. Barrar and Henry L. Loeb On the convergence in measure of non-linear Chebyshev approximations . . 305--312 W. Lode Zum neuen Norm Entwurf DIN 1333 ``Abbrechen und Runden von Dezimalzahlen''. (German) [Toward a New Standard Design DIN 1333 ``Calculation and Rounding in Decimal Numbers''] . . . 313--316
Jan Christiansen Numerical solution of ordinary simultaneous differential equations of the $1$st order using a method for automatic step change . . . . . . . . . 317--324 Tomasz Pietrzykowski The potential method for conditional maxima in the locally compact metric spaces . . . . . . . . . . . . . . . . . 325--329 R. B. Guenther and E. L. Roetman Newton--Cotes formulae in $n$-dimensions 330--345 Frank Natterer Schranken für die Eigenwerte gewöhnlicher Differentialgleichungen durch Spline-Approximation. (German) [Bounds for the Eigenvalue of Ordinary Differential Equations by Spline Approximation] . . . . . . . . . . . . . 346--354 Pierre Jamet On the convergence of finite-difference approximations to one-dimensional singular boundary-value problems . . . . 355--378 Wyman Fair and Yudell L. Luke Padé approximations to the operator exponential . . . . . . . . . . . . . . 379--382 Karl-Heinz Hoffmann Nichtlineare Tschebyscheff-Approximation mit Nebenbedingungen: Anwendungen. (German) [Nonlinear Chebyshev Approximation with Constraints: Use] . . 383--393 Milo\vs Zlámal A finite element procedure of the second order of accuracy . . . . . . . . . . . 394--402
G. H. Golub and C. Reinsch Singular Value Decomposition and Least Squares Solutions . . . . . . . . . . . 403--420 D. G. Bettis Numerical integration of products of Fourier and ordinary polynomials . . . . 421--434 N. G. Campbell Stability analysis of a difference scheme for the Navier--Stokes equations 435--447 Rudolf Gorenflo Nichtnegativitäts-und substanzerhaltende Differenzenschemata für lineare Diffusionsgleichungen. (German) [Nonnegativity and substance-receiving difference patterns for linear diffusion equations] . . . . . . . . . . . . . . . 448--467 Dietrich Braess Eine Möglichkeit zur Konvergenzbeschleunigung bei Iterationsverfahren für bestimmte nichtlineare Probleme. (German) [A possibility for convergence acceleration of iterative methods for certain nonlinear problems] . . . . . . . . . . 468--475 W. Petry Existenz und Eindeutigkeit für Lösungen nichtlinearer Randwertprobleme. (German) [Existence and uniqueness for solutions of nonlinear boundary value problems] 476--494 H. \vSvecoá On the Bauer's scaled condition number of matrices arising from approximate conformal mapping . . . . . . . . . . . 495--507
Jan Christiansen Erratum: \em Numerical solution of ordinary simultaneous differential equations of the $1$st order using a method for automatic step change . . . . v--v Jayant M. Shah Two-dimensional polynomial splines . . . 1--14 Rolf Dieter Grigorieff Die Konvergenz des Rand- und Eigenwertproblems linearer gewöhnlicher Differenzengleichungen. (German) [The convergence of boundary- and eigenvalue problems of linear difference equations] 15--48 Hanno Rund The reduction of certain boundary problems to variational problems by means of transversality conditions . . . 49--56 Axel Ruhe Properties of a matrix with a very ill-conditioned eigenproblem . . . . . . 57--60 Hanns-Jörg Stoß Monotonie-Eigenschaften bei Differentialungleichungen über nichtkompaktem Grundbereich. (German) [Monotone Eigenvalues of Differential Equations over Noncompact Fields] . . . 61--73 A. van der Sluis Condition, Equilibration and Pivoting in Linear Algebraic Systems . . . . . . . . 74--86
P. G. Ciarlet and F. Natterer and R. S. Varga Numerical methods of high-order accuracy for singular nonlinear boundary value problems . . . . . . . . . . . . . . . . 87--99 Johann Schröder Proving inverse-positivity of linear operators by reduction . . . . . . . . . 100--108 F. W. Schäfke Zum Anwendungsbereich einiger Iterationsverfahren. (German) [On the Application of an Iteration Scheme] . . 109--121 W. Wetterling Definitheitsbedingungen für relative Extrema bei Optimierungs- und Approximationsaufgaben. (German) [Definiteness Conditions for Relative Extrema in Optimization and Approximation Problems] . . . . . . . . 122--136 P. J. Laurent and Pham-Dinh-Tuan Global approximation of a compact set by elements of a convex set in a normed space . . . . . . . . . . . . . . . . . 137--150 Minoru Urabe An implicit one-step method of high-order accuracy for the numerical integration of ordinary differential equations . . . . . . . . . . . . . . . 151--164 H. Ehlich and W. Haussmann Konvergenz mehrdimensionaler Interpolation. (German) [Convergence of Multidimensional Interpolation] . . . . 165--174
Boro Döring Das Tschebyscheff-Verfahren in Banach-Räumen. (German) [Chebyshev's method in Banach spaces] . . . . . . . . 175--195 Rolf Dieter Grigorieff Über die Koerzitivität gewönlicher Differenzenoperatoren und die Konvergenz von Mehrschrittverfahren. (German) [On the coerciveness of ordinary difference operators and the convergence of multistep methods] . . . . . . . . . . . 196--218 Helmut H. Schaefer Eine Abschätzung der nichttrivialen Eigenwerte stochastischer Matrizen. (German) [An Approximation of Nontrivial Eigenvalues of Stochastic Matrices] . . 219--223 J. Nitsche Zur Konvergenz von Näherungsverfahren bezüglich verschiedener Normen. (German) [On the convergence of approximation processes with respect to various norms] 224--228 Erich Martensen Zur Restglieddartstellung der Gregoryschen Quadraturformel ungerader Ordnung. (German) [On the representation of the remainder of the Gregory quadrature formula of an odd series] . . 229--233 Jozef Miklo\vsko Asymptotic properties and the convergence of numerical quadratures . . 234--249 A. van der Sluis Upperbounds for roots of polynomials . . 250--262
Jochen W. Schmidt and Klaus Vetters Ableitsungfreie Verfahren für nichtlineare Optimierungsprobleme. (German) [Lossless method for nonlinear optimization problem] . . . . . . . . . 263--282 Alexander \vZení\vsek Interpolation polynomials on the triangle . . . . . . . . . . . . . . . . 283--296 Friedmann W. Stallmann Numerical solution of integral equations 297--305 G. W. Stewart On Samelson's iteration for factoring polynomials . . . . . . . . . . . . . . 306--314 Christopher T. H. Baker The error in polynomial interpolation 315--319 E. Rakotch and J. Steinberg Error estimate for the numerical solution of Fredholm's integral equation 320--328 Karl Graf Finck von Finckenstein Potenzbeschränktheit und Wertebereich einer Matrix. (German) [Potency Limitation and Ranges of a Matrix] . . . 329--332 J. N. Lyness and B. J. J. McHugh On the remainder term in the $N$-dimensional Euler Maclaurin expansion . . . . . . . . . . . . . . . 333--344 G. N. de Oliveira Note on an inverse characteristic value problem . . . . . . . . . . . . . . . . 345--347 D. Marsal Eingabelung der Lösungen von Integralgleichungen. (German) [Bifurcation of solutions of integral equations] . . . . . . . . . . . . . . . 348--350 O. L. Mangasarian A convergent splitting of matrices . . . 351--353 H. A. Luther and H. G. Sierra On the optimal choice of fourth-order Runge--Kutta formulas . . . . . . . . . 354--358
Thomas R. Lucas A generalization of $L$-splines . . . . 359--370 J. Descloux On the numerical integration of the heat equation . . . . . . . . . . . . . . . . 371--381 Richard B. Barrar and Henry L. Loeb On the Remez algorithm for non-linear families . . . . . . . . . . . . . . . . 382--391 Gúnther Lamprecht Über die Abhängigkeit der Fehlerfunktion bei der rationale $L_p$-Approximation von den Koeffizienten des Nennerpolynoms bei minimalem Zählerpolynom. (German) [On the relation between the error function with rational $L_p$ approximation and the coefficients of the denominator polynomial with minimum numerator polynomial] . . . . . . . . . . . . . . 392--403 Jörg Hertling Approximation of piecewise continuous functions by a modification of piecewise Hermite interpolation . . . . . . . . . 404--414 G. Zettl Ein Verfahren zum Minimieren einer Funktion bei eingeschränktem Variationsbereich der Parameter. (German) [A method for the minimization of a function by a limited variation of parameters] . . . . . . . . . . . . . . 415--432 Joseph W. Jerome Linear self-adjoint multipoint boundary value problems and related approximation schemes . . . . . . . . . . . . . . . . 433--449 A. Dubrulle A short note on the implicit $QL$ algorithm for symmetric tridiagonal matrices . . . . . . . . . . . . . . . . 450--450
James Lucien Howland and John Albert Senez A constructive method for the solution of the stability problem . . . . . . . . 1--7 George Marsaglia Regularities in congruential random number generators . . . . . . . . . . . 8--10 G. Cenacchi and A. de Matteis Pseudo-random numbers for comparative Monte Carlo calculations . . . . . . . . 11--15 John H. Rowland and James A. O'Donnell Some bounds for the deviation and interpolation points in Chebyshev approximation . . . . . . . . . . . . . 16--21 R. L. Johnston and B. T. Smith Calculation of best isolated Gerschgorin discs . . . . . . . . . . . . . . . . . 22--31 L. Bittner Some representation theorems for functions and sets and their application to nonlinear programming . . . . . . . . 32--51 James W. Daniel A simple, global, complementary variational principle . . . . . . . . . 52--57 R. Cranley and T. N. L. Patterson A regression method for the Monte Carlo evaluation of multidimensional integrals 58--72 Emeric Deutsch Matricial norms . . . . . . . . . . . . 73--84
R. S. Martin and C. Reinsch and J. H. Wilkinson The $QR$ algorithm for band symmetric matrices . . . . . . . . . . . . . . . . 85--92 P. Jamet and P. Lascaux and P.-A. Raviart Une méthode de résolution numérique des équations de Navier--Stokes. (French) [A method of numerical solution of the Navier--Stokes equations] . . . . . . . 93--114 P. G. Ciarlet and R. S. Varga Discrete variational Green's function 115--128 Dieter Gaier Saturation bei Spline-Approximation und Quadratur. (German) [Saturation in spline approximation and quadrature] . . 129--140 Alston S. Householder and Richard S. Varga and James H. Wilkinson A note on Gerschgorin's inclusion theorem for eigenvalues of matrices . . 141--144 R. P. Brent Error Analysis of Algorithms for Matrix Multiplication and Triangular Decomposition Using Winograd's Identity 145--156 E. L. Allgower Criteria for positive definiteness of some band matrices . . . . . . . . . . . 157--162 Colette Lebaud L'Algorithm double $QR$ avec $<<$shift$>>$. (French) [The double $QR$ algorithm with `shift'] . . . . . . . . . . . . . . . . 163--180
G. Peters and J. H. Wilkinson Eigenvectors of Real and Complex Matrices by $LR$ and $QR$ Triangularization . . . . . . . . . . . 181--204 H. Rutishauser Simultaneous iteration method for symmetric matrices . . . . . . . . . . . 205--223 F. N. Fritsch On the number of nodes in self-contained integration formulas of degree two for compact planar regions . . . . . . . . . 224--230 T. S. Chow and H. W. Milnes Numerical solution of Laplace equation for annular region . . . . . . . . . . . 231--242 Alex Bacopoulos On approximation by sums of Chebyshev norms . . . . . . . . . . . . . . . . . 243--247 G. H. Meyer On a free interface problem for linear ordinary differential equations and the one-phase Stefan problem . . . . . . . . 248--267 A. R. Curtis An eighth order Runge--Kutta process with eleven function evaluations per step . . . . . . . . . . . . . . . . . . 268--277 Erasmo M. Ferreira and Javier Sesma Zeros of the modified Hankel function 278--284
L. Bittner Abschätzungen bei Variationsmethoden mit Hilfe von Dualitätssätzen. II. (German) [Bounds of the Variational Method with the Aid of the Duality Principle. II] 285--303 Alfred Carasso Long-range numerical solution of mildly non-linear parabolic equations . . . . . 304--321 Ivo Babu\vska Error-bounds for finite element method 322--333 Kenneth M. Brown and William B. Gearhart Deflation techniques for the calculation of further solutions of a nonlinear system . . . . . . . . . . . . . . . . . 334--342 I. J. Good and R. A. Gaskins The centroid method of numerical integration . . . . . . . . . . . . . . 343--359 P. A. Businger Monitoring the numerical stability of Gaussian elimination . . . . . . . . . . 360--361 J. H. Bramble and S. R. Hilbert Bounds for a class of linear functionals with applications to Hermite interpolation . . . . . . . . . . . . . 362--369 M. M. Chawla Estimating errors of numerical approximation for analytic functions . . 370--374 A. S. Householder Generalizations of an algorithm of Sebastião e Silva . . . . . . . . . . . . 375--382 H. Götze and F. L. Bauer Robert Sauer, geb. 16.9.1898 -- gest. 22.8.1970. (German) Robert Sauer, born 16.9.1898 -- died 22.8.1970 . . . . . . i--ii
N. S. Kambo Error bounds for the Lobatto and Radau quadrature formulas . . . . . . . . . . 383--388 Rainer Kreß Ein ableitungsfreies Restglied für die trigonometrische Interpolation periodischer analytischer Funktionen. (German) [A derivative-free residue for the trigonometric interpolation of periodic analytic functions] . . . . . . 389--396 W. W. Clendenin A method for numerical quadrature over an infinite interval using systematically increasing mesh size . . 397--407 David M. Young A bound for the optimum relaxation factor for the successive overrelaxation method . . . . . . . . . . . . . . . . . 408--413 Richard H. Bartels A stabilization of the simplex method 414--434 Helen I. Medley A note on a paper of Johnston and Smith's concerning best isolated Gerschgorin disks . . . . . . . . . . . 435--441 Takeshi Kiyono and Masaaki Shimasaki Boundary contraction solution of the Neumann and mixed boundary value problems of the Laplace equation . . . . 442--450 Christian H. Reinsch Smoothing by spline functions. II . . . 451--454
R. B. Leipnik Rapidly convergent recursive solution of quadratic operator equations . . . . . . 1--16 J. Oliver The efficiency of extrapolation methods for numerical integration . . . . . . . 17--32 G. Alefeld Anwendungen Des Fixpunktsatzes Für Pseudometrische Räume In Der Intervallrechnung. (German) [Application of the fixed point theorem for pseudo-metric space to interval computation] . . . . . . . . . . . . . . 33--39 John H. Rowland Inequalities for the interpolation points in Chebyshev approximation by polynomials . . . . . . . . . . . . . . 40--44 Vidar Thomée Convergence near plane boundaries of some elliptic difference schemes . . . . 45--53 A. L. Roark On the eigenproblem for convolution integral equations . . . . . . . . . . . 54--61 A. N. Willson, Jr. A useful generalization of the $P_0$ matrix concept . . . . . . . . . . . . . 62--70 N. Gastinel Sur l'extension de normes sur des alg\`ebres de matrices. (French) [On the Extension of Norms on Matrix Algebras] 71--83 P. G. Ciarlet and C. Wagschal Multipoint Taylor formulas and applications to the finite element method . . . . . . . . . . . . . . . . . 84--100
U. Dieter and J. Ahrens An exact determination of serial correlations of pseudo-random numbers 101--123 W. L. Miranker Difference schemes with best possible truncation error . . . . . . . . . . . . 124--142 I. Kupka Simulation reeller Arithmetik und reeller Funktionen in endlichen Mengen. (German) [Simulation of real arithmetic and real functions in finite sets] . . . 143--152 C. Brezinski Études sur les $\epsilon$- et $\rho$-algorithmes. (French) [Studies on $\epsilon$ and $\rho$-algorithms] . . . 153--162 Alfred Brauer A remark on the paper of H. H. Schaefer, ``Abschätzung der nichttrivialen Eigenwerte stochastischer Matrizen'' . . 163--165 B. Knauer Untere Schranken für die Eigenwerte positiv-definiter, selbstadjungierter Operatoren. (German) [Lower Bounds for the Eigenvalues of Positive Definite Selfadjoint Operators] . . . . . . . . . 166--171 Manfred Reimer Untersuchungen über das Wachstrum von Potenzreihenabschnitten mit Anwendungen für das Hornerschema. (German) [Investigations of the growth of segments of polynomials with applications to Horner's scheme] . . . . 172--178
T. J. Dekker and J. F. Traub An analysis of the shifted $LR$ algorithm . . . . . . . . . . . . . . . 179--188 M. H. C. Paardekooper An eigenvalue algorithm for skew-symmetric matrices . . . . . . . . 189--202 Kunio Tanabe Projection Method for Solving a Singular System of Linear Equations and its Applications . . . . . . . . . . . . . . 203--214 L. Wuytack A new technique for rational extrapolation to the limit . . . . . . . 215--221 N. Gastinel Sur le calcul des produits de matrices. (French) [Calculation of the product of matrices] . . . . . . . . . . . . . . . 222--229 James R. Kuttler A finite-difference approximation for the eigenvalues of the clamped plate . . 230--238 R. S. Anderssen A stability analysis for the extended Kantorovich method applied to the torsion problem . . . . . . . . . . . . 239--246 S. Bergman and J. G. Herriot Computation of a class of subsonic flow patterns . . . . . . . . . . . . . . . . 247--252
J. W. Burgmeier and R. D. Russell and L. F. Shampine Integral equations with transform kernels and the eigenproblem $K C x = \lambda x$ . . . . . . . . . . . . . . . 253--267 W. E. Bosarge, Jr. Iterative continuation and the solution of nonlinear two-point boundary value problems . . . . . . . . . . . . . . . . 268--283 N. L. Schryer Newton's method for convex nonlinear elliptic boundary value problems . . . . 284--300 A. Hadjidimos The numerical solution of a model problem biharmonic equation by using extrapolated alternating direction implicit methods . . . . . . . . . . . . 301--317 Françoise Chatelin-Laborde Perturbation d'une matrice hermitienne ou normale. (French) [Perturbation theory for Hermitian (normal) matrix] 318--337 J. Robert Approximations des espace d'Orlicz et applications. (French) [Approximations of Orlicz spaces and their applications] 338--356
Dietrich Braess Chebyshev approximation by spline functions with free knots . . . . . . . 357--366 Bernie L. Hulme Piecewise polynomial Taylor methods for initial value problems . . . . . . . . . 367--381 Takashi Noda Note on the Computation of the Maximal Eigenvalue of a Non-Negative Irreducible Matrix . . . . . . . . . . . . . . . . . 382--386 V. P. Sreedharan Least squares algorithms for finding solutions of overdetermined linear equations which minimize error in an abstract norm . . . . . . . . . . . . . 387--401 Frank Natterer Schranken für die Norm der Greenschen Funktion gewöhnlicher Differentialoperatoren. (German) [Bounds for the Norm of the Green's Function of Ordinary Differential Operators ] . . . 402--408 G. R. Joubert Explicit difference approximations of the one-dimensional diffusion equation, using a smoothing technique . . . . . . 409--430
U. Kulisch An axiomatic approach to rounded computations . . . . . . . . . . . . . . 1--17 G. R. Joubert Explicit Difference Approximations of Du Fort--Frankel Type for the One-Dimensional Diffusion Equation . . . 18--25 G. W. Stewart On a companion operator for analytic functions . . . . . . . . . . . . . . . 26--43 G. Galimberti and V. Pereyra Solving Confluent Vandermonde Systems of Hermite Type . . . . . . . . . . . . . . 44--60 S. Hoshino and K. Ichida Solution of partial differential equations by a modified random walk . . 61--72 M. N. Spijker On the structure of error estimates for finite-difference methods . . . . . . . 73--100
Jörg Hertling Numerical treatment of singular integral equations by interpolation methods . . . 101--112 Eugen Schäfer Ein Konstruktionsverfahren bei allgemeiner linearer Approximation. (German) [A construction method for general linear approximation] . . . . . 113--126 P. Spellucci Double precision approximations to the elementary functions using Jacobi-fractions . . . . . . . . . . . . 127--143 Herbert E. Salzer Formulas for best extrapolation . . . . 144--153 Mordechai Lewin On exponents of primitive matrices . . . 154--161 G. J. Cooper Error bounds for numerical solutions of ordinary differential equations . . . . 162--170 R. E. Carlson and C. A. Hall Ritz approximations to two-dimensional boundary value problems . . . . . . . . 171--181 Eckart Deutsch and Christoph Zenger Inclusion domains for the eigenvalues of stochastic matrices . . . . . . . . . . 182--192
Tomaso Pomentale A class of iterative methods for holomorphic functions . . . . . . . . . 193--203 Inge Troch Über die Stabilität der Ruhelage bei Differentialgleichungen mit quasihomogenen rechten Seiten. (German) [On the steady-state stability of differential equations with quasi-homogeneous right sides] . . . . . 204--212 A. Auslender Méthodes numériques pour la décomposition et la minimisation de fonctions non différentiables. (French) [Numerical methods for the decomposition and minimisation of non-differentiable functions] . . . . . . . . . . . . . . . 213--223 Theodorus J. Dekker A Floating-Point Technique for Extending the Available Precision . . . . . . . . 224--242 P. M. Prenter Piecewise $L$-splines . . . . . . . . . 243--253 John J. Cannon Computing the ideal structure of finite semigroups . . . . . . . . . . . . . . . 254--266 Bo Einarsson Numerical treatment of integro-differential equations with a certain maximum property . . . . . . . . 267--288
Kenneth M. Brown and J. E. Dennis, Jr. Derivative free analogues of the Levenberg--Marquardt and Gauss algorithms for nonlinear least squares approximation . . . . . . . . . . . . . 289--298 Richard F. King Tangent methods for nonlinear equations 298--304 Irene Gargantini and Peter Henrici Circular arithmetic and the determination of polynomial zeros . . . 305--320 George Phillip Barker Monotone norms . . . . . . . . . . . . . 321--326 Takao Tsuda Numerical differentiation of functions of very many variables . . . . . . . . . 327--335 N. L. Schryer Solution of monotone nonlinear elliptic boundary value problems . . . . . . . . 336--344 R. D. Riess and L. W. Johnson Error estimates for Clenshaw--Curtis quadrature . . . . . . . . . . . . . . . 345--353 Otto Hübner Zweiparametrige Überrelaxation. (German) [Two parameter overrelaxation] . . . . . 354--366 Tomasz Pietrzykowski A generalization of the potential method for conditional maxima on the Banach, reflexive spaces . . . . . . . . . . . . 367--372
Walter Gautschi Attenuation factors in practical Fourier analysis . . . . . . . . . . . . . . . . 373--400 Jon Rokne Newton's method under mild differentiability conditions with error analysis . . . . . . . . . . . . . . . . 401--412 K. P. Hadeler Bemerkungen zum Gradientenverfahren. (German) [Remarks on gradient methods] 413--422 Helmut Werner Eine faktorisierung der bei der rationalen Interpolation auftretenden Matrizen. (German) [A factorization of matrices occurring in rational interpolation] . . . . . . . . . . . . . 423--431 R. A. Sack A fully stable rational version of the $QR$ algorithm for tridiagonal matrices 432--441 R. Weiss and R. S. Anderssen A product integration method for a class of singular first kind Volterra equations . . . . . . . . . . . . . . . 442--456 Wm. L. Morris Inclusion theorems for a section of a matrix . . . . . . . . . . . . . . . . . 457--464 R. A. Sack and A. F. Donovan An algorithm for Gaussian quadrature given modified moments . . . . . . . . . 465--478
R. D. Russell and L. F. Shampine A collocation method for boundary value problems . . . . . . . . . . . . . . . . 1--28 Herbert Amann Über die nährungswise Lösung nichtlinearer Integralgleichungen. (German) [On the approximate solution of nonlinear integral equations] . . . . . . . . . . 29--45 Richard Askey Positivity of the Cotes numbers for some Jacobi abscissas . . . . . . . . . . . . 46--48 A. van der Sluis The remainder term in quadrature formulae . . . . . . . . . . . . . . . . 49--55 G. Alefeld and J. Herzberger Nullstelleneinschliessung Mit Dem Newton-Verfahren Ohne Invertierung Von Intervallmatrizen. (German) [Including zeros of nonlinear equations by the Newton method without inverting interval matrices] . . . . . . . . . . . . . . . 56--64 Tom Lyche Chebyshevian multistep methods for ordinary differential equations . . . . 65--75 J. L. Brenner and J. de Pillis Partitioned matrices and Seidel convergence . . . . . . . . . . . . . . 76--80 Gilbert Strang Approximation in the finite element method . . . . . . . . . . . . . . . . . 81--98
J. J. Blair Error bounds for the solution of nonlinear two-point boundary value problems by Galerkin's method . . . . . 99--109 M. P. Carroll Simultaneous $L_1$ approximation of a compact set of real-valued functions . . 110--115 Heinz Antes Splinefunktionen bei der Lösung von Integralgleichungen. (German) [On the solution of integral equations with spline functions] . . . . . . . . . . . 116--126 G. Fix and N. Nassif On finite element approximations to time-dependent problems . . . . . . . . 127--135 Gilles Tissier Interpolation \`a plusieurs variables sur la sph\`ere. (French) [Interpolation with several variables on the sphere] 136--145 M. v. Golitschek On the convergence of interpolating periodic spline functions of high degree 146--154 J. G. Pierce and R. S. Varga Higher order convergence results for the Rayleigh--Ritz method applied to eigenvalue problems. II. Improved error bounds for eigenfunctions . . . . . . . 155--169 R. B. Kellogg On compiles eigenvalues of $M$ and $P$ matrices . . . . . . . . . . . . . . . . 170--175 J. H. Wilkinson Note on matrices with a very ill-conditioned eigenproblem . . . . . . 176--178 Dieter Gaier Ermittlung des konformen Moduls von Vierecken mit Differenzenmethoden. (German) [Determination of the conformal modules of quadrilaterals by difference methods] . . . . . . . . . . . . . . . . 179--194
W. A. Beyer and M. S. Waterman Ergodic computations with continued fractions and Jacobi's algorithm . . . . 195--205 P. Lancaster A note on sub-multiplicative norms . . . 206--208 Christoph Zenger A comparison of some bounds for the nontrivial eigenvalues of stochastic matrices . . . . . . . . . . . . . . . . 209--211 J. Steinberg Numerical solution of Volterra integral equation . . . . . . . . . . . . . . . . 212--217 K. G. Guderley and C. L. Keller A basic theorem in the computation of ellipsoidal error bounds . . . . . . . . 218--229 Hermann Engels Über Konvergenzkriterien für numerische Differentiationsverfahren. (German) [On convergence criteria for numerical differentiation procedures] . . . . . . 230--237 R. L. Johnston and D. D. Olesky On the computation of inclusion regions for partitioned matrices . . . . . . . . 238--247 Kendall Atkinson The numerical solution of Fredholm integral equations of the second kind with singular kernels . . . . . . . . . 248--259 K. P. Hadeler Bemerkungen zu einer Arbeit von W. Wetterling über positive Operatoren. (German) [Remarks on a work by W. Wetterling on positive operators] . . . 260--265 J. W. Dailey and J. G. Pierce Error bounds for the Galerkin method applied to singular and nonsingular boundary value problems . . . . . . . . 266--282
David A. Field and Willson B. Jones \em A priori estimates for truncation error of continued fractions $K(1/b_n)$ 283--302 F. Robert and J. F. Maitre Normes et algorithmes associés \`a une découpe de matrice (Itération du principe de Gauss--Seidel). (French) [Norms and algorithms associated with a splitting of matrix (Iteration of the Gauss--Seidel principle)] . . . . . . . 303--325 Franti\vsek Melkes Reduced piecewise bivariate Hermite interpolations . . . . . . . . . . . . . 326--340 Stephen M. Robinson Extension of Newton's method to nonlinear functions with values in a cone . . . . . . . . . . . . . . . . . . 341--347 Bernard Bereanu On the convergence of Cartesian multidimensional quadrature formulae . . 348--350 Eckart Gekeler Über mehrstufige Iterationsverfahren und die Lösung der Hammersteinschen Gleichung. (German) [On several stage iterative methods and the solution of the Hammerstein equations] . . . . . . . 351--360
Gene A. Kemper Linear multistep methods for a class of functional differential equations . . . 361--372 D. F. Paget and David Elliott An algorithm for the numerical evaluation of certain Cauchy principal value integrals . . . . . . . . . . . . 373--385 H. Brown and J. Neubüser and H. Zassenhaus On integral groups. I: The reducible case . . . . . . . . . . . . . . . . . . 386--399 M. Pichat Correction d'une Somme en Arithmétique \`a Virgule Flottante. (French) [Correction of a Sum in Floating-Point Arithmetic] . . . . . . . . . . . . . . 400--406 Peter Forster Die diskrete Greensche Funktion und Fehlerabschätzungen zum Galerkin-Verfahren. (German) [Discrete variational Green's function and error bounds for Galerkin approximations] . . 407--418 D. B. Hunter Some Gauss-type formulae for the evaluation of Cauchy principal values of integrals . . . . . . . . . . . . . . . 419--424 Webb Miller On the stability of finite numerical procedures . . . . . . . . . . . . . . . 425--432 Rita Meyer-Spasche A constructive method of solving the Lyapunov equation for complex matrices 433--438 Patrick Saint-Pierre Sur la convergence numérique de différentes méthodes de décomposition pour une class de probl\`emes elliptiques. (French) [On the numerical convergence of different methods of decomposition for a class of elliptic problems] . . . 439--449
Ivo Babu\vska and Michael B. Rosenzweig A finite element scheme for domains with corners . . . . . . . . . . . . . . . . 1--21 H. Brown and J. Neubüser and H. Zassenhaus On integral groups. II: The irreducible case . . . . . . . . . . . . . . . . . . 22--31 Gerhard Schmeisser Optimale Quadraturformeln mit semidefiniten Kernen. (German) [Optimal Quadrature Formulas with Semidefinite Kernels] . . . . . . . . . . . . . . . . 32--53 G. Cenacchi and A. De Matteis Quasi-random sequences by power residues 54--63 Claude Brezinski Conditions d'application et de convergence de procédés d'extrapolation. (French) [Application and convergence conditions for some extrapolation processes] . . . . . . . . . . . . . . . 64--79 Veikko Seppälä A note on the theory of limit processes for solving finite equations . . . . . . 80--86 Rainer Kreß Zur numerischen Integration periodischer Funktionen nach der Rechteckregel. (German) [On the numerical integration of periodic functions by the trapezoidal rule] . . . . . . . . . . . . . . . . . 87--92
W. J. Kammerer and R. S. Varga On Asymptotically Best Norms for Powers of Operators . . . . . . . . . . . . . . 93--98 Lois Mansfield On the variational characterization and convergence of bivariate splines . . . . 99--114 M. Golomb and R. A. Tapia The metric gradient in normed linear spaces . . . . . . . . . . . . . . . . . 115--124 Rainer Kreß On general Hermite trigonometric interpolation . . . . . . . . . . . . . 125--138 Martin Gutknecht A posteriori error bounds for the zeros of a polynomial . . . . . . . . . . . . 139--148 P. J. van der Houwen Explicit Runge--Kutta formulas with increased stability boundaries . . . . . 149--164 Claude Carasso Étude de l'algorithme de Rém\`es en l'absence de condition de Haar. (French) [Study of the Remes-algorithm without the Haar condition] . . . . . . . . . . 165--178
Ivo Babu\vska The finite element method with Lagrangian multipliers . . . . . . . . . 179--192 F. Chatelin Approximation du spectre d'un opérateur linéare: application aux opérateurs differentiels elliptiques non autoadjoints. (French) [Approximation of the spectrum of a linear operator: application to nonselfadjoint differential elliptic operators] . . . . 193--204 A. S. Householder Postscript to: ``Generalizations of an algorithm of Sebastiao e Silva'' . . . . 205--207 Alexandru I. \cSchiop Stability of Ritz procedure for nonlinear two-point boundary value problem . . . . . . . . . . . . . . . . 208--212 Jim Douglas, Jr. and Todd Dupont Galerkin methods for parabolic equations with nonlinear boundary conditions . . . 213--237 Volker Strassen Die Berechnungskomplexität von elementarsymmetrischen Funktionen und von Interpolationskoeffizienten. (German) [The computational complexity of elementary symmetric functions and interpolation coefficients] . . . . . . 238--251 Richard S. Varga and Bernard W. Levinger On Minimal Gerschgorin Sets for Families of Norms . . . . . . . . . . . . . . . . 252--256
Thomas R. Lucas and George W. Reddien A high order projection method for nonlinear two point boundary value problems . . . . . . . . . . . . . . . . 257--270 E. Rakotch Numerical solution of Volterra integral equations . . . . . . . . . . . . . . . 271--279 Rainer Ansorge $f$-Konvergenz und $f$-Stetigkeit von Operatorenfolgen auf metrischen Räumen. (German) [$f$-Convergence and $f$-Stability of Operator Sequences in Metric Spaces] . . . . . . . . . . . . . 280--287 Colin W. Cryer The numerical solution of boundary value problems for second order functional differential equations by finite differences . . . . . . . . . . . . . . 288--299 René van Dooren Numerical computation of forced oscillations in coupled Duffing equations . . . . . . . . . . . . . . . 300--311 G. Alefeld Über konvergente Zerlegungen von Matrizen. (German) [On Convergent Splittings of Matrices] . . . . . . . . 312--316 Franz Locher Zur Struktur von Quadraturformeln. (German) [On the Structure of Quadrature Formulas] . . . . . . . . . . . . . . . 317--326
Richard Brent and Shmuel Winograd and Philip Wolfe Optimal iterative processes for root-finding . . . . . . . . . . . . . . 327--341 Paula P. Chan Singular splines . . . . . . . . . . . . 342--349 Gideon Zwas On two step Lax--Wendroff methods in several dimensions . . . . . . . . . . . 350--355 A. Sachs Iterationsverfahren für monotone, nicht notwendig Lipschitz-beschränkte Operatoren im Hilbert-Raum. (German) [Iteration Method for Monotone Not-Necessarily Lipschitz-Limited Operators in Hilbert Space] . . . . . . 356--363 R. Meyer-Spasche A method of solving the stability-problem for complex matrices 364--371 Karl Graf Finck von Finckenstein and Karl-Ulrich von Hagenow Konvergenz eines Differenzenverfahrens für quasilineare parabolische Anfangs-Randwertprobleme in Zylindersymmetrie. (German) [Convergence of a Difference Method for Quasilinear Parabolic Initial-Boundary Value Problems in Cylindrical Symmetry] . . . 372--376 Takao Tsuda Numerical integration of functions of very many variables . . . . . . . . . . 377--391 David R. Kincaid A Class of Norms of Iterative Methods for Solving Systems of Linear Equations 392--408 A. Schönhage Unitäre Transformationen großer Matrizen. (German) [Unitary Transformation of Large Matrices] . . . . . . . . . . . . 409--417 Luc Wuytack An algorithm for rational interpolation similar to the $qd$-algorithm . . . . . 418--424 Tohru Morita and Tsuyoshi Horiguchi Convergence of the arithmetic-geometric mean procedure for the complex variables and the calculation of the complete elliptic integrals with complex modulus 425--430 W. A. Beyer and M. S. Waterman Errata: ``Ergodic Computations with Continued Fraction and Jacobi's Algorithm'' . . . . . . . . . . . . . . 430--430
Alan Feldstein and Richard Goodman Numerical solution of ordinary and retarded differential equations with discontinuous derivatives . . . . . . . 1--13 Torsten Ström Monotonicity and error bounds in schemes of Romberg type for the computation of $f^{(n)}(0)$ by central differences and extrapolation . . . . . . . . . . . . . 14--21 Frank de Hoog and Richard Weiss On the solution of Volterra integral equations of the first kind . . . . . . 22--32 M. Delchambre De l'avantage des méthodes aux différences modifiées de Stiefel--Bettis pour la résolution d'équations différentielles du second ordre perturbées. (French) [The advantage of modified Stiefel--Bettis difference methods for the solution of perturbed second order differential equations] . . . . . . . . . . . . . . . 33--36 H. J. de Vries On the eigenproblem for normal matrices 37--42 Claes Johnson On the convergence of a mixed finite-element method for plate bending problems . . . . . . . . . . . . . . . . 43--62 Philip M. Anselone and Joel Davis Perturbations of best approximation problems . . . . . . . . . . . . . . . . 63--69 Erich Martensen Darstellung und Entwicklung des Restgliedes der Gregoryschen Quadraturformel mit Hilfe von Spline-Funktionen. (German) [Representation and development of the remainder term of Gregory's quadrature formula using spline functions] . . . . 70--80 Wilhelm Niethammer Ein numerisches Verfahren zur analytischen Fortsetzung. (German) [A numerical method for analytical continuation] . . . . . . . . . . . . . 81--92 H. S. Alston S. Householder Award . . . . . . i--i
H. I. Medley A note on $G$-generating families and isolated Gerschgorin disks . . . . . . . 93--95 Jagdish Chandra and Paul William Davis On the approximation of periodic solutions of equations with bounded nonlinearities . . . . . . . . . . . . . 96--108 William J. Gordon and Charles A. Hall Transfinite element methods: blending-function interpolation over arbitrary curved element domains . . . . 109--129 Åke Björck and Tommy Elfving Algorithms for Confluent Vandermonde Systems . . . . . . . . . . . . . . . . 130--137 Gregory M. Nielson Bivariate spline functions and the approximation of linear functionals . . 138--160 D. Braess and K. P. Hadeler Simultaneous inclusion of the zeros of a polynomial . . . . . . . . . . . . . . . 161--165 Robert Schaback Konstruktion und algebraische Eigenschaften von $M$-Spline-Interpolierenden. (German) [Construction and algebraic properties of $M$ spline interpolation] . . . . . . 166--180 Daniel Wulbert A note on polynomial splines with free knots . . . . . . . . . . . . . . . . . 181--184
D. B. Hunter The numerical evaluation of Cauchy principal values of integrals by Romberg integration . . . . . . . . . . . . . . 185--192 G. W. Reddien Projection methods and singular two point boundary value problems . . . . . 193--205 Hidetosi Takahasi and Masatake Mori Quadrature formulas obtained by variable transformation . . . . . . . . . . . . . 206--219 H. Esser and K. Scherer Eine Bemerkungen zur Konvergenz Hermitischer Interpolationsprozesse. (German) [Convergence of Hermite interpolation processes] . . . . . . . . 220--222 B. N. Parlett Présentation géométrique des méthodes de calcul des valeurs propres. (French) [Geometric presentation of methods for calculation of eigenvalues] . . . . . . 223--233 H. Neunzert and J. Wick Die Theorie der asymptotischen Verteilung und die numerische Lösung von Integrodifferentialgleichungen. (German) [The theory of asymptotic distribution and the numerical solution of integrodifferential equations] . . . . . 234--243 P. Lesaint Finite element methods for symmetric hyperbolic equations . . . . . . . . . . 244--255 E. Pittnauer Numerische Polynomapproximation mit Knotenpolynomen. (German) [Numerical polynomial approximation by knot polynomials] . . . . . . . . . . . . . . 256--263 W. Sautter Schwankungsbereiche linearer Optimierungsaufgaben. (German) [Perturbation analysis of linear programming problems] . . . . . . . . . 264--269 Jim Douglas, Jr. and Todd Dupont Superconvergence for Galerkin methods for the two point boundary problem via local projections . . . . . . . . . . . 270--278
E. L. Allgower Exact inverses of certain band matrices 279--284 G. W. Stewart Conjugate direction methods for solving systems of linear equations . . . . . . 285--297 E. Mittermayer Eine Iterationsmethode zur mehrdimensionalen gleichmäßigen Approximation bei gegebener Näherung. (German) [An iterative method for the more dimensional uniform approximation by given nearness] . . . . . . . . . . . 298--302 Rolf Jeltsch Integration of iterated integrals by multistep methods . . . . . . . . . . . 303--316 Ridgway Scott Finite element convergence for singular data . . . . . . . . . . . . . . . . . . 317--327 Bertil Gustafsson A numerical method for solving singular boundary value problems . . . . . . . . 328--344 Alan E. Berger $L^2$ error estimates for finite elements with interpolated boundary conditions . . . . . . . . . . . . . . . 345--349 Klaus Kansy Elementare Fehlerdarstellung für Ableitungen bei der Hermite-Interpolation. (German) [Elementary error representation for derivatives by Hermite interpolation] 350--354
Richard Goodman and Alan Feldstein Round-off error for retarded ordinary differential equations: a priori bounds and estimates . . . . . . . . . . . . . 355--372 Masaaki Shimasaki and Takeshi Kiyono Numerical solution of integral equations in Chebyshev series . . . . . . . . . . 373--380 James W. Daniel Newton's method for nonlinear inequalities . . . . . . . . . . . . . . 381--387 A. N. Beavers, Jr. and E. D. Denman A Computational Method for Eigenvalues and Eigenvectors of a Matrix with Real Eigenvalues . . . . . . . . . . . . . . 389--396 Helmut Braß Eine Fehlerabschätzung zum Quadratureverfahren von Clenshaw und Curtis. (German) [An error estimation of the quadrature method of Clenshaw and Curtis] . . . . . . . . . . . . . . . . 397--403 Walter Gautschi On the condition of algebraic equations 405--424 Ludwig Elsner A remark on simultaneous inclusions of the zeros of a polynomial by Gershgorin's theorem . . . . . . . . . . 425--427
Garry Rodrigue A gradient method for the matrix eigenvalue problem $A x = \lambda B x$ 1--16 Kendall Atkinson Iterative variants of the Nyström method for the numerical solution of integral equations . . . . . . . . . . . . . . . 17--31 G. W. Stewart Some iterations for factoring a polynomial. II: a generalization of the secant method . . . . . . . . . . . . . 33--36 Johann Schröder and Ulrich Trottenberg Reduktionsverfahren für DIfferenzengleichungen bie Randwertaufgaben. I. (German) [Reduction method for difference equations for boundary value problems. I] . . . . . . 37--68 Gerhard Kreisselmeier and Dietrich Suschowk Ein Algorithmus zur zyklisch invarianten Zerlegung eines endlich-dimensionalen Vektorraums bezüglich einer linearen Selbstabbildung. (German) [An Algorithm for the Cyclic Invariant Decompositions of a Finite-Dimensional Vector Space with Respect to Linear Endomorphism] . . 69--74
C. A. Micchelli and W. L. Miranker Asymptotically optimal approximation in fractional Sobolev spaces and the numerical solution of differential equations . . . . . . . . . . . . . . . 75--87 Lois Mansfield Higher order compatible triangular finite elements . . . . . . . . . . . . 89--97 Jim Douglas, Jr. and Todd Dupont Galerkin approximations for the two point boundary problem using continuous, piecewise polynomial spaces . . . . . . 99--109 Klaus Menke Bestimmung von Näherungen für die konforme Abbildung mit Hilfe von stationären Punksystemen. (German) [Determination of the best approximation for conformal mapping with help of stationary point system] . . . . . . . . . . . . . . . . 111--117 R. B. Barrar and Henry L. Loeb Analytic extended monosplines . . . . . 119--125 F. Geistbeck and A. Sachs Optimale Fehlerabschätzungen mit dualen Funktionalen bei semilinearen Randwertaufgaben gewöhnlicher Differentialgleichungen. (German) [Optimal error estimations with dual functionals for boundary value problems of ordinary semilinear differential equations] . . . . . . . . . . . . . . . 127--136 Bruno Brosowski and K.-H. Hoffmann Eine Variationsungleichung und Anwendungen. (German) [A variational inequality and its application] . . . . 137--147 Frank Natterer and Bodo Werner Eine Erweiterung des Maximumsprinzips für den Laplaceschen Operator. (German) [An extension of the maximum principle for the Laplace operator] . . . . . . . . . 149--155
R. S. Anderssen and P. Bloomfield Numerical differentiation procedures for non-exact data . . . . . . . . . . . . . 157--182 A. M. Erisman and J. K. Reid Monitoring the Stability of the Triangular Factorization of a Sparse Matrix . . . . . . . . . . . . . . . . . 183--186 W. Knauff and R. Kreß Optimale Approximation linearer Funktionale auf periodischen Funktionen. (German) [Optimal approximation of linear functionals on periodic functions] . . . . . . . . . . . . . . . 187--205 M. M. Chawla and Veena Kaul Optimal rules with polynomial precision for Hilbert spaces possessing reproducing kernel functions . . . . . . 207--218 Dietrich Braess Rationale Interpolation, Normalität und Monosplines. (German) [Rational interpolation, normality and monosplines] . . . . . . . . . . . . . . 219--232 Walter R. Richert Zur Fehlerabschätzung für Eigenwertaufgaben vom Typ $(\lambda^2 I - \lambda A - B) x = 0$. (German) [Error bounds construction for eigenvalue distances of the problem $(\lambda^2 I - \lambda A - B) x = 0$] . . . . . . . . . 233--239
W. J. Kammerer and G. W. Reddien and R. S. Varga Quadratic Interpolatory Splines . . . . 241--259 Matti Mäkelä and Olavi Nevanlinna and Aarne H. Sipilä On the concepts of convergence, consistency, and stability in connection with some numerical methods . . . . . . 261--274 Walter R. Richert On the handling of eigenvalue problems with the parameter of nonlinear form . . 275--287 P. Deuflhard A modified Newton method for the solution of ill-conditioned systems of nonlinear equations with application to multiple shooting . . . . . . . . . . . 289--315 M. M. Chawla and T. R. Ramakrishnan Numerical evaluation of integrals of periodic functions with Cauchy and Poisson type kernels . . . . . . . . . . 317--323 L. S. Jennings and M. R. Osborne A Direct Error Analysis for Least Squares . . . . . . . . . . . . . . . . 325--332 Peter Kall Approximations to stochastic programs with complete fixed recourse . . . . . . 333--339
H. T. Kung On computing reciprocals of power series 341--348 Kunio Tanabe Characterization of linear stationary iterative processes for solving a singular system of linear equations . . 349--359 Jorma Rissanen Solution of linear equations with Hankel and Toeplitz matrices . . . . . . . . . 361--366 L. R. Abrahamsson and H. B. Keller and H. O. Kreiss Difference approximations for singular perturbations of systems of ordinary differential equations . . . . . . . . . 367--391 P. H. Astor and C. S. Duris Discrete $L$-splines . . . . . . . . . . 393--402 Paula P. Chan A monotone operator method for the solution of Fredholm integral equations 403--408
R. Hettich Kriterien zweiter Ordnung für lokal beste Approximationen. (German) [Second-order conditions for locally best approximations] . . . . . . . . . . . . 409--417
J. Wimp Toeplitz arrays, linear sequence transformations and orthogonal polynomials . . . . . . . . . . . . . . 1--17 F. Pecka On equally weighted quadratures . . . . 19--22 A. Voigt Line method approximations to the Cauchy problem for nonlinear parabolic differential equations . . . . . . . . . 23--36 M. S. Mock Solution of a nonlinear two point boundary value problem . . . . . . . . . 37--46 Yves-Marie J. Demoulin and Y. M. Chen An iteration method for studying the bifurcation of solutions of the nonlinear equations, $L(\lambda)u+ \epsilon R( \lambda,u)=0$ . . . . . . . 47--61 M. La Porte and J. Vignes Étude Statistique des Erreurs Dans l'Arithmétique des Ordinateurs; Application au Contrôle des Résultats d'Algorithmes Numériques. (French) [Statistical Study of Errors in Computer Arithmetic: Application to the Control of the Results of Numerical Algorithms] 63--72 M. La Porte and J. Vignes Méthode Numérique de Détection de la Singularité d'Une Matrice. (French) [Numerical method of detection of matrix singularity] . . . . . . . . . . . . . . 73--81 Paul Morel Sur le probl\`eme inverse des valeurs propres. (French) [On the Inverse Eigenvalue Problem] . . . . . . . . . . 83--94 B. Herz Zerfallende Tridiagonalematrizen und aneinandergesetzte Sturmsche Ketten. (German) [Decomposable tridiagonal matrices and contiguous Sturm sequences] 95--98
R. A. Nicolaides On a Geometrical Aspect of SOR and the Theory of Consistent Ordering for Positive Definite Matrices . . . . . . . 99--104 R. B. Barrar and Henry L. Loeb and Helmut Werner On the existence of optimal integration formulas for analytic functions . . . . 105--117 Robert D. Russell Collocation for systems of boundary value problems . . . . . . . . . . . . . 119--133 H. R. Schwarz The method of coordinate overrelaxation for $(A- \lambda B)x=0$ . . . . . . . . 135--151 J. T. King New error bounds for the penalty method and extrapolation . . . . . . . . . . . 153--165 E. Gekeler On the convergence of the von Neumann difference approximation to hyperbolic initial boundary value problems . . . . 167--174 Gershon Kedem and S. K. Zaremba A table of good lattice points in three dimensions . . . . . . . . . . . . . . . 175--180 Günther Schuller On the order of convergence of certain quasi-Newton methods . . . . . . . . . . 181--192
Jim Douglas, Jr. and Todd Dupont and Lars Wahlbin The stability in $L^q$ of the $L^2$-projection into finite element function spaces . . . . . . . . . . . . 193--197 F. de Hoog and R. Weiss Implicit Runge--Kutta methods for second kind Volterra integral equations . . . . 199--213 F. Chatelin and M. J. Lemordant La méthode de Rayleigh--Ritz appliquée \`a des opérateurs différentielles elliptiques --- ordres de convergence des éléments propres. (French) [The Rayleigh--Ritz method applied to elliptic differential operators --- orders of convergence of proper elements] . . . . . . . . . . . . 215--222 David A. Sánchez An iteration scheme for boundary value/alternative problems . . . . . . . 223--230 K. S. Thomas On the approximate solution of operator equations . . . . . . . . . . . . . . . 231--239 A. van der Sluis Stability of the Solutions of Linear Least Squares Problems . . . . . . . . . 241--254 Yehoshua Vitek A bound connected with primitive matrices . . . . . . . . . . . . . . . . 255--260 V. Pereyra and E. G. Sewell Mesh selection for discrete solution of boundary problems in ordinary differential equations . . . . . . . . . 261--268 G. Fairweather and J. P. Johnson On the extrapolation of Galerkin methods for parabolic problems . . . . . . . . . 269--287
Lars Wahlbin Error estimates for a Galerkin method for a class of model equations for long waves . . . . . . . . . . . . . . . . . 289--303 Alexandru I. \cSchiop On the stability of the Ritz procedure for nonlinear problems . . . . . . . . . 305--310 David Elliott and D. F. Paget On the convergence of a quadrature rule for evaluating certain Cauchy principal value integrals . . . . . . . . . . . . 311--319 Manfred Reimer Auswertungsverfahren für Polynome in mehreren Variablen. (German) [Evaluation schemes for polynomials in more than one variable] . . . . . . . . . . . . . . . 321--336 Walter Gautschi Norm Estimates for Inverses of Vandermonde Matrices . . . . . . . . . . 337--347 Jean-Claude Lafon Base tensorielle de matrices de Hankel (ou de Toeplitz): Applications. (French) [Tensorial bases of Hankel (or Toeplitz) matrices Applications] . . . . . . . . . 349--361 C. Brezinski Forme confluente de l'$\varepsilon$-algorithme topologique. (French) [Confluent form of the topological $\varepsilon$-algorithm] . . 363--370
Steve F. McCormick An iterative procedure for the solution of constrained nonlinear equations with application to optimization problems . . 371--385 Frank Natterer Das Differenzenverfahren für singuläre Rand-Eigenwertaufgaben gewönlicher Differentialgleichungen. (German) [The difference method for singular boundary/eigenvalues of ordinary differential equations] . . . . . . . . 387--409 Ole H. Hald On a Newton-Moser type method . . . . . 411--426 E. Pittnauer Eine Aussage über Alternanten. (German) [A proposition on alternants] . . . . . 427--432 Johan Schröder Upper and lower bounds for solutions of generalized two-point boundary value problems . . . . . . . . . . . . . . . . 433--457
Walter Gautschi Optimally Conditioned Vandermonde Matrices . . . . . . . . . . . . . . . . 1--12 K. Salkauskas On weight functions for Chebyshev quadrature . . . . . . . . . . . . . . . 13--18 Harold Greenberg An algorithm for determining redundant inequalities and all solutions to convex polyhedra . . . . . . . . . . . . . . . 19--26 B. J. Omodei and R. S. Anderssen Stability of the Rayleigh--Ritz procedure for nonlinear two-point boundary value problems . . . . . . . . 27--38 M. La Porte and J. Vignes Evaluation de l'incertitude sur la solution d'un syst\`eme linéaire. (French) [Evaluation of the uncertainty in the solution of a linear system] . . 39--47 Emeric Deutsch On matrix norms and logarithmic norms 49--51 M. S. Mock A global a posteriori error estimate for quasilinear elliptic problems . . . . . 53--61 E. Deutsch and C. Zenger On Bauer's generalized Gershgorin discs 63--70 Tetsuro Yamamoto On the distribution of errors in the iterative solution of a system of linear equations . . . . . . . . . . . . . . . 71--79 C. J. Henrich On the numerical evaluation of a sum involving binomial coefficients . . . . 81--83
G. W. Stewart The convergence of the method of conjugate gradients at isolated extreme points of the spectrum . . . . . . . . . 85--93 R. A. Nicolaides On the local convergence of certain two step iterative procedures . . . . . . . 95--101 F. Brezzi Sur la méthode des éléments finis hybrides pour le probl\`eme biharmonique. (French) [On Hybrid Finite Element Methods for the Biharmonic Problem] . . 103--131 M. Davies and B. Dawson On the global convergence of Halley's iteration formula . . . . . . . . . . . 133--135 Wolf Hofmann Monotoniesätze für hyperbolische Anfangswertaufgaben und Einschließung von Lösungen. (German) [Monotonicity theorems for hyperbolic initial value problems and solution enclosure] . . . . . . . . 137--149 J. H. Lightbourne, III and R. H. Martin, Jr. Projection seminorms and the field of values of linear operators . . . . . . . 151--161 Allan Pinkus Asymptotic minimum norm quadrature formulae . . . . . . . . . . . . . . . . 163--175 Claus Schneider Vereinfachte Rekursionen zur Richardson-Extrapolation in Spezialfällen. (German) [Simplified recursions for Richardson extrapolation in special cases] . . . . . . . . . . . 177--184
Milton E. Rose Weak-element approximations to elliptic differential equations . . . . . . . . . 185--204 H. R. Kutt The numerical evaluation of principal value integrals by finite-part integration . . . . . . . . . . . . . . 205--210 Fumio Kiluchi On a finite element scheme based on the discrete Kirchhoff assumption . . . . . 211--231 U. Hornung Euler method for neutral functional-differential equation . . . . 233--240 S. Pruess High order approximations to Sturm--Liouville eigenvalues . . . . . . 241--247 U. Marcowitz Fehlerabschätzung bei Anfangswertaufgaben für Systeme von gewönlichen Differentialgleichungen mit Anwendungen auf das REENTRY-Problem. (German) [Error estimation in initial value problems for systems of ordinary differential equations with an application to the REENTRY problem] . . . . . . . . . . . . 249--275
G. G. L. Meyer A systematic approach to the synthesis of algorithms . . . . . . . . . . . . . 277--289 Richard J. Hanson and James L. Phillips An adaptive numerical method for solving linear Fredholm integral equations of the first kind . . . . . . . . . . . . . 291--307 Claus Günther Zweidimensionale Quadraturformeln von Grad 7 mit 14 Punkten. (German) [Two dimensional quadrature formulae of degree seven with fourteen common zeros] 309--316 H. Voss Projectionsverfahren für Randwertaufgaben mit nichtlinearen Randbedingungen. (German) [Projection methods for boundary value problems with nonlinear boundary conditions] . . . . . . . . . . 317--329 W. Busch and R. Esser and W. Hackbusch and U. Herrmann Extrapolation applied to the method of characteristics for a first order system of two partial differential equations. I. The initial value problem . . . . . . 331--353 Rolf Dieter Grigorieff Diskrete Approximation von Eigenwertproblemen. I. Qualitative Konvergenz. (German) [Discrete approximation of the eigenvalue problem. I. Qualitative convergence] . . . . . . 355--374
A. Demmler and C. Reinsch Oscillation matrices with spline smoothing . . . . . . . . . . . . . . . 375--382 Grace Wahba Smoothing noisy data with spline functions . . . . . . . . . . . . . . . 383--393 Takao Tsuda Nonlinear interpolation of functions of very many variables . . . . . . . . . . 395--414 Rolf Dieter Grigorieff Diskrete Approximation von Eigenwertproblemen. II. Konvergenzordnung. (German) [Discrete approximation of eigenvalue problems. II. Convergence order] . . . . . . . . . 415--433 P. Wesseling An asymptotic expansion for product integration applied to Cauchy principal value integrals . . . . . . . . . . . . 435--442 Konrad Schumacher Iterative Optimierungsverfahren, die unter schwachen Voraussetzungen konvergien. (German) [Iterative optimisation, convergence under weak assumptions] . . . . . . . . . . . . . . 443--456
E. B. Saff and R. S. Varga On the zeros and poles of Padé approximants to $e^z$ . . . . . . . . . 1--14 Wilhelm Forst Zur Optimalität interpolatorischer Quadraturformeln periodischer Funktionen. (German) [Optimal formulas of interpolatory type for the quadrature of periodic functions] . . . . . . . . . 15--21 Frank Stenger Computing the topological degree of a mapping in $R^n$ . . . . . . . . . . . . 23--38 Syvert P. Nòrsett $C$-polynomials for rational approximation to the exponential function . . . . . . . . . . . . . . . . 39--56 Alastair Spence On the convergence of the Nyström method for the integral equation eigenvalue problem . . . . . . . . . . . . . . . . 57--66 Frank Natterer Uber die punktweise Konvergenz Finiter Elemente. (German) [On the pointwise convergence of finite elements] . . . . 67--77 Rolf Dieter Grigorieff Diskrete Approximation von Eigenwerteproblemen. III. Asymptotische Entwicklungen. (German) [Discrete approximation of eigenvalue-problems. III. Asymptotic expansions] . . . . . . 79--97 P. Midy An improved calculation of the general elliptic integral of the second kind in the neighbourhood of $x = 0$ . . . . . . 99--101 Peter Linz Convergence of a discretization method for integro-differential equations . . . 103--107 R. Hettich Kriterien erster und zweiter Ordnung für lokal beste Approximationen bei Problemen mit Nebenbedingungen. (German) [On first and second order conditions for locally best approximations for constraint problems] . . . . . . . . . . 109--122
G. W. Stewart Simultaneous iteration for computing invariant subspaces of non-Hermitian matrices . . . . . . . . . . . . . . . . 123--136 G. W. Stewart The economical storage of plane rotations . . . . . . . . . . . . . . . 137--138 Ann Haegemans and Robert Piessens Construction of cubature formulas of degree eleven for symmetric planar regions, using orthogonal polynomials 139--148 W. Knauff and R. Kreß Optimale Approximation mit Nebenbedingungen an lineare Funktionale auf periodischen Funktionen. (German) [Optimal approximation with side conditions to linear functionals on periodic functions] . . . . . . . . . . 149--152 R. J. Plemmons Regular Splittings and the Discrete Neumann Problem . . . . . . . . . . . . 153--161 R. W. Thatcher The use of infinite grid refinements at singularities in the solution of Laplace's equation . . . . . . . . . . . 163--178 K. Veseli\'c A convergent Jacobi method for solving the eigenproblem of arbitrary real matrices . . . . . . . . . . . . . . . . 179--184 H. M. Möller Kubaturformeln mit minimaler Knotenzahl. (German) [Minimum-point cubature formulas] . . . . . . . . . . . . . . . 185--200 Tassilo Küpper Einschließungsenaussagen für gewönliche Differentialoperatoren. (German) [Range-domain implications for ordinary differential operators] . . . . . . . . 201--214
Robert E. Barnhill and John A. Gregory Sard kernel theorems on triangular domains with application to finite element error bounds . . . . . . . . . . 215--229 Ian H. Sloan Error analysis for a class of degenerate-kernel methods . . . . . . . 231--238 Kurt Jetter Optimale Quadraturformeln mit semidefiniten Peano-Kernen. (German) [Optimal integration formulas with semidefinite Peano-kernels] . . . . . . 239--249 R. B. Barrar and Henry L. Loeb Multiple zeros and applications to optimal linear functionals . . . . . . . 251--262 J. A. Nitsche Der Einfluß von Randsingularitäten beim Ritzschen Verfahren. (German) [Solution effects of the Ritz method] . . . . . . 263--278 Vlastimil Pták The rate of convergence of Newton's process . . . . . . . . . . . . . . . . 279--285 David Elliott and D. F. Paget On the convergence of a quadrature rule for evaluating certain Cauchy principal value integrals: an addendum . . . . . . 287--289 G. Alefeld and R. S. Varga Zur Konvergenz des symmetrischen Relaxationsverfahren. (German) [On the convergence of the symmetric SOR method] 291--295 Ulrich Trottenberg Lösung linearer gewönlicher Randwertaufgaben 4. Ordnung mit Hilfe von Aufspaltungen. (German) [Solving linear ordinary boundary value problems of the fourth order by means of splittings] . . . . . . . . . . . . . . 297--306 E. B. Saff and A. Schönhage and R. S. Varga Geometric convergence to $e^{-z}$ by rational functions with real poles . . . 307--322
Robert A. LaBudde and Donald Greenspan Energy and momentum conserving methods of arbitrary order for the numerical integration of equations of motion. I. Motion of a single particle . . . . . . 323--346 P. J. Anderson and G. Loizou A Jacobi type method for complex symmetric matrices . . . . . . . . . . . 347--363 Soon Park Chung Generalization and acceleration of an algorithm of Sebastiao e Silva and its duals . . . . . . . . . . . . . . . . . 365--377 M. M. Chawla and V. Kaul Optimal rules with polynomial precision for Hilbert spaces possessing reproducing kernel functions. II. Error bounds . . . . . . . . . . . . . . . . . 379--382 E. Hairer and G. Wanner A theory for Nyström methods . . . . . . 383--400 Robert E. Barnhill and John A. Gregory Interpolation remainder theory from Taylor expansions on triangles . . . . . 401--408 Reinhard Frank The method of iterated defect-correction and its application to two-point boundary value problems. I . . . . . . . 409--419 M. Omladi\vc and S. Pahor and A. Suhadolc On a new type of quadrature formulas . . 421--426 G. W. Reddien and L. L. Schumaker On a collocation method for singular two point boundary value problems . . . . . 427--432 J. Baumeister Über die Extremaleigenschaft nichtlinearer interpolierender Splines. (German) [On the extremal property of nonlinear interpolating splines] . . . . 433--445 Ludwig Cromme Eine Klasse von Verfahren zur Ermittlung bester nichtlinearer Tschebyscheff-Approximationen. (German) [A class of numerical procedures for finding best nonlinear Chebyshev approximations] . . . . . . . . . . . . 447--459 Tetsuro Yamamoto On the distribution of errors in the iterative solution of a system of linear equations. II . . . . . . . . . . . . . 461--463
Robert A. LaBudde and Donald Greenspan Energy and momentum conserving methods of arbitrary order for the numerical integration of equations of motion. II. Motion of a system of particles . . . . 1--16 Hanjörg Linden Obere Schranken für Eigenwerte von Eigenwertaufgaben der Form $(\lambda^2 - \lambda A - B) x = 0$. (German) [Upper bounds for eigenvalues of quadratic eigenvalue problems of the forms $(\lambda^2 \lambda A - B) x = 0$] . . . 17--26 J.-P. Eckmann On the computation of the Galois group over the quotient field of $C(\lambda)$ 27--37 V. Girault A combined finite element and Marker and Cell method for solving Navier--Stokes equations . . . . . . . . . . . . . . . 39--59 R. M. M. Mattheij and A. van der Sluis Error estimates for Miller's algorithm 61--78 Claes Johnson On finite element methods for plasticity problems . . . . . . . . . . . . . . . . 79--84 J. Haslinger and I. Hlavá\vcek A mixed finite element method close to the equilibrium model . . . . . . . . . 85--97 B. David Saunders and Hans Schneider A symmetric numerical range for matrices 99--105 M. A. Noor and J. R. Whiteman Error bounds for finite element solutions of mildly nonlinear elliptic boundary value problems . . . . . . . . 107--116
William B. Jones and W. J. Thron Truncation error analysis by means of approximant systems and inclusion regions . . . . . . . . . . . . . . . . 117--154 James C. Cavendish and William J. Gordon and Charles A. Hall Ritz--Galerkin approximations in blending function spaces . . . . . . . . 155--178 D. H. Anderson and M. R. Osborne Discrete, linear approximation problems in polyhedral norms . . . . . . . . . . 179--189 C. A. Micchelli and T. J. Rivlin and S. Winograd The optimal recovery of smooth functions 191--200 Diethard Pallaschke Optimale Differentiations- und Integrationsformeln in $C_0[a,b]$. (German) [Optimal differentiation and integration formulae in $C_0(a,b)$] . . 201--210 E. B. Saff and R. S. Varga and W.-C. Ni Geometric convergence of rational approximations to $e^{-z}$ in infinite sectors . . . . . . . . . . . . . . . . 211--225 E. B. Saff and R. S. Varga Erratum: ``On the zeros and poles of Padé approximants to $e^z$'' . . . . . . . . 226--226 E. B. Saff and A. Schönhage and R. S. Varga Errata: ``Geometric convergence to $e^{-z}$ by rational functions with real poles'' . . . . . . . . . . . . . . . . 226--226
John H. Cerutti and Seymour V. Parter Collocation methods for parabolic partial differential equations in one space dimension . . . . . . . . . . . . 227--254 Tetsuhiko Miyoshi A mixed finite element method for the solution of the von Karman equations . . 255--269 M. N. Spijker On the possibility of two-sided error bounds in the numerical solution of initial value problems . . . . . . . . . 271--300 Friedrich Stummel Weak stability and weak discrete convergence of continuous mappings . . . 301--315 Irene Gargantini Parallel Laguerre iterations: the complex case . . . . . . . . . . . . . . 317--323 Maurice Mignotte Note sur la méthode Bernoulli. (French) [A note on Bernoulli's method] . . . . . 325--326 P. Deuflhard and H.-J. Pesch and P. Rentrop A modified continuation method for the numerical solution of nonlinear two-point boundary value problems by shooting techniques . . . . . . . . . . 327--343
E. B. Saff and R. S. Varga On the sharpness of theorems concerning zero-free regions for certain sequences of polynomials . . . . . . . . . . . . . 345--354 Boles\law Kacewicz An integral-interpolation iterative method for the solution of scalar equations . . . . . . . . . . . . . . . 355--365 M. S. Mock Explicit finite element schemes for first order symmetric hyperbolic systems 367--378 K. Taubert Differenzverfahren für Schwingungen mit trockener und zäher Reibung und für Regelungssysteme. (German) [A finite difference method in forced vibrations with combined viscous and Coulomb damping and in feedback control systems] 379--395 M. van Veldhuizen A refinement process for collocation approximations . . . . . . . . . . . . . 397--407 G. Alefeld Zur Konvergenz des Peaceman--Rachford-Verfahrens. (German) [On the convergence of the Peaceman--Rachford iterative method] . . 409--419 Jürgen Sprekels Existenz und erste Einschließung positiver Lösungen bei superlinearen Randwertaufgaben zweiter Ordnung. (German) [Existence and first bounds of positive solutions of superlinear second-order boundary value problems] 421--428 Johann Schröder and Ulrich Trottenberg and Heinz Reutersberg Reduktionsverfahren für DIfferenzengleichungen bie Randwertaufgaben. II. (German) [Solving difference equations for boundary value problems by reduction methods. II] . . . 429--459
Bruce A. Chartres and Robert S. Stepleman Convergence of linear multistep methods for differential equations with discontinuities . . . . . . . . . . . . 1--10 P. Hallet and J. P. Hennart and E. H. Mund A Galerkin method with modified piecewise polynomials for solving a second-order boundary value problem . . 11--20 Pedro E. Zadunaisky On the estimation of errors propagated in the numerical integration of ordinary differential equations . . . . . . . . . 21--39 T. N. L. Patterson On high precision methods for the evaluation of Fourier integrals with finite and infinite limits . . . . . . . 41--52 E. Wagenführer Ein Verfahren höherer Konvergenzordnung zur Berechnung des charakteristischen Exponenten der Mathieuschen Differentialgleichung. (German) [A method of high order convergence for calculating the characteristic exponent of Mathieu's differential equation] . . 53--65 K. Veseli\'c Some convergent Jacobi-like procedures for diagonalising $J$-symmetric matrices 67--75 G. Claessens A new algorithm for oscillatory rational interpolation . . . . . . . . . . . . . 77--83 J. Matthys A-stable linear multistep methods for Volterra integro-differential equations 85--94 James R. Bunch and Linda Kaufman and Beresford N. Parlett Decomposition of a Symmetric Matrix . . 95--109 Tassilo Küpper Pointwise lower and upper bounds for eigenfunctions of ordinary differential operators . . . . . . . . . . . . . . . 111--119 Eldon Hansen and Merrell Patrick Estimating the multiplicity of a root 121--131 François Robert Autour du théor\`eme de Stein--Rosenberg. (French) [More about the Stein--Rosenberg theorem] . . . . . . . 133--141
J. G. Verwer On generalized linear multistep methods with zero-parasitic roots and an adaptive principal root . . . . . . . . 143--155 Bran E. White On optimal extreme-discrepancy point sets in the square . . . . . . . . . . . 157--164 J. R. Cash A note on the iterative solution of recurrence relations . . . . . . . . . . 165--170 U. von Welck Ein stabiles Schichtenverfahren für allgemeine lineare Evolutionsgleichungen. (German) [A stable line method for general linear evolution equations] . . . . . . . . . . 171--178 Hans-Peter Blatt Rationale Tschebyscheff-Approximation über unbeschränkten Intervallen. (German) [Rational Chebyshev approximation on unbounded intervals] . . . . . . . . . . 179--190 Hans-Peter Blatt Zur Stetigkeit rationaler T-Approximationen über unbeschränkten Intervallen. (German) [Continuity of best rational approximations on unbounded intervals] . . . . . . . . . . 191--202 F. Cordellier Particular rules for the vector $\epsilon$-algorithm . . . . . . . . . . 203--207 L. M. Delves and M. Bain On the optimum choice of weight functions in a class of variational calculations . . . . . . . . . . . . . . 209--218 M. Bain and L. M. Delves The convergence rates of expansions in Jacobi polynomials . . . . . . . . . . . 219--225 Jens Lorenz Zur Inversmonotonie diskreter Probleme. (German) [On the monotone kind-property of discrete problems] . . . . . . . . . 227--238 Evangelos K. Ifantis and Christos B. Kouris Lower bounds for the zeros of analytic functions . . . . . . . . . . . . . . . 239--247 Ole H. Hald Discrete inverse Sturm--Liouville problems. I. Uniqueness for symmetric potentials . . . . . . . . . . . . . . . 249--256
Eldon Hansen and Merrell Patrick A family of root finding methods . . . . 257--269 J. C. P. Bus Convergence of Newton-like methods for solving systems of nonlinear equations 271--281 E. Hairer Méthodes de Nyström pour l'équation différentielle $y''=f(x,y)$. (French) [Nyström methods for the differential equation $y''=f(x,y)$] . . . . . . . . . 283--300 William H. Ling and Harry W. McLaughlin and Mary Lynn Smith A computational procedure for the approximation of random functions . . . 301--305 Jean Meinguet and Jean Descloux An operator-theoretical approach to error estimation . . . . . . . . . . . . 307--326 Olof Widlund On best error bounds for approximation by piecewise polynomial functions . . . 327--338 Kristian Witsch Konvergenzaussagen für Projectionsverfahren bei linearen Operatoren. (German) [Convergence of projection methods for linear operators] 339--354 Gerhard Schmeisser A representation for the remainder of the Maclaurin quadrature formula . . . . 355--358
J. G. Verwer $S$-stability properties for generalized Runge--Kutta methods . . . . . . . . . . 359--370 V. Conrad and Y. Wallach A faster SSOR algorithm . . . . . . . . 371--372 H. Wo\'zniakowski Numerical Stability for Solving Nonlinear Equations . . . . . . . . . . 373--390 Charles R. Johnson Locally compatible generalized matrix norms . . . . . . . . . . . . . . . . . 391--394 Augustin Paulik Zur existenz optimaler Quadraturformeln mit freien Knoten bei Integration analytischer Funktionen. (German) [On the existence of optimal integration formulas with free nodes for analytic functions] . . . . . . . . . . . . . . . 395--405 R. Frank The method of iterated defect-correction and its application to two-point boundary value problems. II . . . . . . 407--420 Diethard Pallaschke Konvergenz optimaler Differentiationsformeln. (German) [Convergence of optimal differentiation formulas] . . . . . . . . . . . . . . . 421--426 R. V. M. Zahar A mathematical analysis of Miller's algorithm . . . . . . . . . . . . . . . 427--447 H.-J. Diekhoff and P. Lory and H. J. Oberle and H.-J. Pesch and P. Rentrop and R. Seydel Comparing routines for the numerical solution of initial value problems of ordinary differential equations in multiple shooting . . . . . . . . . . . 449--469 Richard Haverkamp Sturm--Liouville-Probleme mit schwach singulären Koeffizientenfunktionen. Teil I. Eigenwertproblem. (German) [Weak singular Sturm--Liouville problems. I. Eigenvalue problem] . . . . . . . . . . 471--484 Carl de Boor and Allan Pinkus A Backward Error Analysis for Totally Positive Linear Systems . . . . . . . . 485--490 B. F. Sherman A counterexample to Greenberg's algorithm for solving linear inequalities . . . . . . . . . . . . . . 491--492
Owe Axelsson Error estimates for Galerkin methods for quasilinear parabolic and elliptic differential equations in divergence form . . . . . . . . . . . . . . . . . . 1--14 J. Rappaz Approximation of the spectrum of a non-compact operator given by the magnetohydrodynamic stability of a plasma . . . . . . . . . . . . . . . . . 15--24 Göran Starius Constructing orthogonal curvilinear meshes by solving initial value problems 25--48 Hermann Engels Eine Familie interpolatorischer Quadraturformeln mit ableitungsfreien Fehlerschranken. (German) [A family of quadrature formulas having error bounds without derivatives] . . . . . . . . . . 49--58 Walter Gautschi and Giovanni Monegato On optimal Chebyshev-type quadratures 59--67 Henning Esser Stabilitätsungleichung für Diskretisierungen von Randwertaufgaben gewönlicher Differentialgleichungen. (German) [Stability inequalities for discretizations of boundary value problems in ordinary differential equations] . . . . . . . . . . . . . . . 69--100 Ludwig Cromme Numerische Methoden zur Behandlung einiger Problemklassen der nichtlinearen Tschebyscheff-Approximation mit Nebenbedingungen. (German) [Numerical methods for constrained nonlinear Chebyshev approximation] . . . . . . . . 101--117 E. B. Saff and R. S. Varga Erratum: ``On the sharpness of theorems concerning zero-free regions for certain sequences of polynomials'' (Numer. Math. \bf 26 (1976), no. 4, 345--354) . . . . 119--119 JHW Alston S. Householder award (1977)---final notice . . . . . . . . . 120--120
Wolfgang Hackbusch Extrapolation applied to certain discretization methods solving the initial value problem for hyperbolic differential equations . . . . . . . . . 121--142 D. H. Anderson and M. R. Osborne Discrete, nonlinear approximation problems in polyhedral norms . . . . . . 143--156 D. H. Anderson and M. R. Osborne Discrete, nonlinear approximation problems in polyhedral norms: a Levenberg-like algorithm . . . . . . . . 157--170 W. F. Langford Numerical solution of bifurcation problems for ordinary differential equations . . . . . . . . . . . . . . . 171--190 H. Wo\'zniakowski Numerical Stability of the Chebyshev Method for the Solution of Large Linear Systems . . . . . . . . . . . . . . . . 191--209 Lieuwe Sytse de Jong Towards a Formal Definition of Numerical Stability . . . . . . . . . . . . . . . 211--219 Achiya Dax and S. Kaniel Pivoting Techniques for Symmetric Gaussian Elimination . . . . . . . . . . 221--241 Gòran Starius Composite mesh difference methods for elliptic boundary value problems . . . . 243--258
George J. Fix and Morton E. Gurtin On patched variational principles with application to elliptic and mixed elliptic-hyperbolic problems . . . . . . 259--271 Victor Klee and Pauline van den Driessche Linear algorithms for testing the sign stability of a matrix and for finding $Z$-matrix matchings an acyclic graphs 273--285 Lazaros P. Mavrides Optimisation under nonnegativity constraints . . . . . . . . . . . . . . 287--293 M. Atteia Évaluation de l'erreur dans la méthode des éléments finis. (French) [Error in the finite elements method] . . . . . . . . 295--306 Thomas A. Manteuffel The Tchebychev iteration for nonsymmetric linear systems . . . . . . 307--327 Frank Natterer Regularisierung schlecht gestellter Probleme durch Projectionsverfahren. (German) [Regularization of ill-posed problems by projection methods] . . . . 329--341 J. Stoer On the relation between quadratic termination and convergence properties of minimization algorithms. I. Theory 343--366
P. Baptist and J. Stoer On the relation between quadratic termination and convergence properties of minimisation algorithms. II. Applications . . . . . . . . . . . . . . 367--391 Ray M. Redheffer Fehlerabschätzung bei nichtlinearer Differentialgleichungen mit Hilfe linearer Differentialgleichungen. (German) [Error estimation in nonlinear problems by use of a family of linear differential inequalities] . . . . . . . 393--405 J. L. Gout Estimation de l'erreur d'interpolation d'Hermite dans ${\bf R}^n$. (French) [Estimation of the Hermite interpolation error in ${\bf R}^n$] . . . . . . . . . 407--429 Franco Brezzi and William W. Hager and P. A. Raviart Error estimates for the finite element solution of variational inequalities. I. Primal theory . . . . . . . . . . . . . 431--443 Olavi Nevanlinna On the behaviour of global errors at infinity in the numerical integration of stable initial value problems . . . . . 445--454 W. Hackbusch Extrapolation to the limit for numerical solutions of hyperbolic equations . . . 455--474
M. van Veldhuizen A Note on Partial Pivoting and Gaussian Elimination . . . . . . . . . . . . . . 1--10 Jürgen Scheurle Ein selektives Projektions-Iterationsverfahren und Anwendungen auf Verzweigungsprobleme. (German) [A selective projection-iteration method and bifurcation] . . . . . . . . . . . . . . 11--35 Webb Miller Roundoff analysis and sparse data . . . 37--43 Franz-Josef Drexler Eine Methode zur Berechnung sämtlicher Lösungen von Polynomgleichungssystemen. (German) [A method for computing all solutions of systems of polynomial equations] . . . . . . . . . . . . . . . 45--58 Björn von Sydow Error estimates for Gaussian quadrature formulae . . . . . . . . . . . . . . . . 59--64 U. von Welck Stabile Merhschichtverfahren für parabolische Evolutionsgleichungen. (German) [Stable multi-line methods for evolution equations of parabolic type] 65--82 R. W. Owens An algorithm for best approximate solutions of Ax=b with a smooth strictly convex norm . . . . . . . . . . . . . . 83--91 K. Glashoff and E. Sachs On theoretical and numerical aspects of the bang-bang-principle . . . . . . . . 93--113 Nai-Kuan Tsao Newton interpolation is efficient for approximation of linear functionals . . 115--122 Dietrich Braess Über die Einzugsbereiche der Nullstellen von Polynomen beim Newton-Verfahren. (German) [On the regions of attraction when computing the roots of polynomials with the Newton-method] . . . . . . . . 123--132
Alastair Spence Error bounds and estimates for eigenvalues of integral equations . . . 133--147 Joachim Hartung A stable interior penalty method for convex extremal problems . . . . . . . . 149--158 William G. Kolata Approximation in variationally posed eigenvalue problems . . . . . . . . . . 159--171 C. Brezinski Convergence acceleration of some sequences by the $\epsilon$-algorithm 173--177 Ludwig Cromme Strong uniqueness: a far-reaching criterion for the convergence analysis of iterative procedures . . . . . . . . 179--193 K. Kilberth Iterative Berechnung mehrfacher Lösungen von Hammersteinschen Integralgleichungen. (German) [Iterative calculation of multiple solutions of Hammerstein integral equations] . . . . 195--207 Wulf-Jürgen Beyn Zur Stabilität von Differenzenverfahren für Systeme linearer gewöhnlicher Randwertaufgaben. (German) [On the stability of difference approximations to systems of linear ordinary boundary value problems] . . . . . . . . . . . . 209--226 G. Claessens A useful identity for the rational Hermite interpolation table . . . . . . 227--231 Tohru Morita Calculation of the complete elliptic integrals with complex modulus . . . . . 233--236
E. L. Allgower and S. F. McCormick Newton's method with mesh refinements for numerical solution of nonlinear two-point boundary value problems . . . 237--260 David A. Field Error bounds for continued fractions $K(1/b_n)$ . . . . . . . . . . . . . . . 261--267 Eli Turkel Extrapolation methods for dynamic partial differential equations . . . . . 269--285 D. S. Henderson and A. Wassyng A new method for the solution of Ax=b 287--289 T. A. Porsching Error estimates for MAC-like approximations to the linear Navier--Stokes equations . . . . . . . . 291--306 A. S. L. Shieh On the convergence of the conjugate gradient method for singular capacitance matrix equations from the Neumann problem of the Poisson equation . . . . 307--327 Gunter H. Meyer The method of lines for Poisson's equation with nonlinear or free boundary conditions . . . . . . . . . . . . . . . 329--344
Frank Stenger Optimal convergence of minimum norm approximations in $H_p$ . . . . . . . . 345--362 E. Spedicato and J. Greenstadt On some classes of variationally derived quasi-Newton methods for systems of nonlinear algebraic equations . . . . . 363--380 P. Albrecht On the order of composite multistep methods for ordinary differential equations . . . . . . . . . . . . . . . 381--396 C. Wayne Mastin and Joe F. Thompson Transformation of three-dimensional regions onto rectangular regions by elliptic systems . . . . . . . . . . . . 397--407 E. Hairer On the order of iterated defect correction --- an algebraic proof . . . 409--424 Hans J. Stetter The defect correction principle and discretization methods . . . . . . . . . 425--443 Walter Gautschi On inverses of Vandermonde and confluent Vandermonde matrices. III . . . . . . . 445--450 Hans-Detlef Mittelmann On the approximate solution of nonlinear variational inequalities . . . . . . . . 451--462 J. H. Wilkinson The Alston S. Householder Award . . . . 463--463
J. W. Lee and P. M. Prenter An analysis of the numerical solution of Fredholm integral equations of the first kind . . . . . . . . . . . . . . . . . . 1--23 Rolf Jeltsch and L. Kratz On the stability properties of Brown's multistep multiderivative methods . . . 25--38 H. Potempa Modifizierte Restgliedabschätzungen für Quadraturformeln. (German) [Modified estimates for quadrature errors] . . . . 39--50 J. N. Lyness and P. Keast On $p$-generator fully symmetric quadrature rules . . . . . . . . . . . . 51--63 Reinhard Menzel and Hubert Schwetlick Zur Lösung parameterabhängiger nichtlinearer Gleichungen mit singulären Jacobi-Matrizen. (German) [On solving nonlinear equations depending on a real parameter in case of singular Jacobians] 65--79 Frank Natterer Numerical inversion of the Radon transform . . . . . . . . . . . . . . . 81--91 Tassilo Küpper Einschließungsaussagen bei Differentialoperatoren zweiter Ordnung durch punktweise Ungleichungen. (German) [Range-domain implications for second order differential operators using pointwise inequalities] . . . . . . . . 93--101 C. Johnson and B. Mercier Some equilibrium finite element methods for two-dimensional elasticity problems 103--116
Hermann Brunner Discretization of Volterra integral equations of the first kind. II . . . . 117--136 Wilhelm Forst Zur Interpolation und Integration differenzierbarer periodischer Funktionaleng. (German) [On interpolation and integration of differentiable periodic functions] . . . 137--147 Rüdiger Brombeer Über optimale Quadraturformeln mit freien Knoten zu Hilberträumen periodischer Funktionen. (German) [On optimal quadrature formulae with free nodes for Hilbert-spaces of periodic functions] 149--164 Werner Sautter Fehleranalyse für die Gauß-Elimination zur Berechnung der Lösung minimaler Länge. (German) [Error Analysis of Gauss Elimination for the Best Least Squares Problem] . . . . . . . . . . . . . . . . 165--184 Kristian Witsch Numerische Quadratur bei Projektionsverfahren. (German) [Numerical quadrature in projection methods] . . . . . . . . . . . . . . . . 185--206 R. Wolf Asymptotische Entwicklungen für Eigenwerte und Eigenvektoren bei der Approximation parameternichtlinearer Eigenwertaufgaben. (German) [Asymptotic expansions for eigenvalues and eigenvectors in the approximation of eigenvalue problems depending nonlinearly on a parameter] . . . . . . 207--226 Paul Sablonni\`ere Bases de type Schauder de $C[0,1]$ et formules de quadrature associ\`ees. (French) [Bases of Schauder type in $C[0,1]$ and associated quadrature formulas] . . . . . . . . . . . . . . . 227--240
E. B. Saff and R. S. Varga On the zeros and poles of Padé approximants to $e^z$. III . . . . . . . 241--266 M. van Veldhuizen Higher order methods for a singularly perturbed problem . . . . . . . . . . . 267--279 Jack Graves and P. M. Prenter Numerical iterative filters applied to first kind Fredholm integral equations 281--299 H. Wo\'zniakowski Round-off error analysis of iterations for large linear systems . . . . . . . . 301--314 C. Zenger and H. Gietl Improved difference schemes for the Dirichlet problem of Poisson's equation in the neighbourhood of corners . . . . 315--332 Kristian Witsch Projektive Newton-Verfahren bei elliptischen Randwertaufgaben. (German) [Projective Newton methods for elliptic boundary value problems] . . . . . . . . 333--347 Helmut Braß Monotonie bei den Quadratureverfahren von Gauß und Newton--Cotes. (German) [Monotony in the quadrature rules of Gauss and Newton--Cotes] . . . . . . . . 349--354
I. J. Good and T. N. Tideman Integration over a simplex, truncated cubes, and Eulerian numbers . . . . . . 355--367 E. Gekeler A-priori error estimates of Galerkin backward differentiation methods in time-inhomogeneous parabolic problems 369--383 J. R. Cash High order methods for the numerical integration of ordinary differential equations . . . . . . . . . . . . . . . 385--409 G. J. Cooper and F. C. P. Whitworth Liapunov functions and error bounds for approximate solutions of ordinary differential equations . . . . . . . . . 411--414 Ian H. Sloan and W. E. Smith Product-integration with the Clenshaw--Curtis and related points-convergence properties . . . . . 415--428 Andrew Majda and Stanley Osher A systematic approach for correcting nonlinear instabilities --- the Lax--Wendroff scheme for scalar conservation laws . . . . . . . . . . . 429--452 Rudolf Wegmann Ein Iterationsverfahren zur konformen Abbildung. (German) [An iterative method in conformal mapping] . . . . . . . . . 453--466
Franco Brezzi and William W. Hager and P.-A. Raviart Error estimates for the finite element solution of variational inequalities. II. Mixed methods . . . . . . . . . . . 1--16 David Belogus and Nadav Liron DCR2: an improved algorithm for $\ell_{\infty}$ rational approximation on intervals . . . . . . . . . . . . . . 17--29 James R. Bunch and Christopher P. Nielsen and Danny C. Sorensen Rank One Modification of the Symmetric Eigenproblem . . . . . . . . . . . . . . 31--48 Randolph E. Bank Efficient algorithms for solving tensor product finite element equations . . . . 49--61 Gerard R. Richter Superconvergence of piecewise polynomial Galerkin approximations, for Fredholm integral equations of the second kind 63--70 I. C. Simpson Numerical integration over a semi-infinite interval, using the lognormal distribution . . . . . . . . . 71--76 Reinhart Schultz Ein Abstiegsverfahren für Approximationsaufgaben in normierten Räumen. (German) [A descent method for approximation problems in normed spaces] 77--95 G. Mühlbach The general Neville--Aitken-algorithm and some applications . . . . . . . . . 97--110
James R. Bunch and Christopher P. Nielsen Updating the Singular Value Decomposition . . . . . . . . . . . . . 111--129 Reinhold Mannshardt One-step methods of any order for ordinary differential equations with discontinuous right-hand sides . . . . . 131--152 M. A. Wolfe Extended iterative methods for the solution of operator equations . . . . . 153--174 Zahari Zlatev Stability properties of variable stepsize variable formula methods . . . 175--182 Thomas A. Manteuffel Adaptive procedure for estimating parameters for the nonsymmetric Tchebychev iteration . . . . . . . . . . 183--208 Kristian Witsch Projektive Newton-Verfahren und Anwendungen auf nichtlineare Randwertaufgaben. (German) [Projective Newton methods and applications to nonlinear boundary value problems] . . . 209--230
E. K. Blum and P. B. Geltner Numerical solution of eigentuple-eigenvector problems in Hilbert spaces by a gradient method . . 231--246 E. K. Blum and A. R. Curtis A convergent gradient method for matrix eigenvector-eigentuple problems . . . . 247--263 M. Neumann and R. J. Plemmons Convergent Nonnegative Matrices and Iterative Methods for Consistent Linear Systems . . . . . . . . . . . . . . . . 265--279 Hans Joachim Schmid On cubature formulae with a minimal number of knots . . . . . . . . . . . . 281--297 M. Davies and B. Dawson An automatic search procedure for finding real zeros . . . . . . . . . . . 299--312 Jochen W. Schmidt Einschließung inverser Elemente durch Fixpunktverfahren. (German) [Enclosing of inverse elements by fixed-points methods] . . . . . . . . . . . . . . . . 313--320 Jochen Werner Über die globale Konvergenz von Variable-Metrik-Verfahren mit nicht-exakter Schrittweitenbestimmung. (German) [On the global convergence of variable metric algorithms without exact line searches] . . . . . . . . . . . . . 321--334
Robert Beauwens Factorization iterative methods, ${M}$-operators and ${H}$-operators . . 335--357 P. Rentrop A Taylor series method for the numerical solution of two-point boundary value problems . . . . . . . . . . . . . . . . 359--375 Peter Craven and Grace Wahba Smoothing noisy data with spline functions. Estimating the correct degree of smoothing by the method of generalized cross-validation . . . . . . 377--403 A. S. L. Shieh Fast Poisson solvers on general two-dimensional regions for the Dirichlet problem . . . . . . . . . . . 405--429 K. Schittkowski and J. Stoer A Factorization Method for the Solution of Constrained Linear Least Squares Problems Allowing Subsequent Data Changes . . . . . . . . . . . . . . . . 431--463
Syvert P. Nòrsett and Arne Wolfbrandt Order conditions for Rosenbrock type methods . . . . . . . . . . . . . . . . 1--15 Helmut Weber Numerische Behandlung von Verzweigungsproblemen bei gewöhnlichen Differentialgleichungen. (German) [Numerical treatment of bifurcation problems for ordinary differential equations] . . . . . . . . . . . . . . . 17--29 E. Wagenführer and H. Lang Berechnung des charakteristischen Exponenten der endlichen Hillschen Differentialgleichung durch numerische Integration. (German) [On calculating the characteristic exponent of the finite Hill differential equation by numerical integration] . . . . . . . . . 31--50 Rüdiger Seydel Numerical computation of branch points in ordinary differential equations . . . 51--68 Kurt Georg On the convergence of an inverse iteration method for nonlinear elliptic eigenvalue problems . . . . . . . . . . 69--74 Michel Crouzeix Sur la ${B}$-stabilité des méthodes de Runge--Kutta. (French) [On the ${B}$-stability of Runge--Kutta Methods] 75--82 Wolfgang Hackbusch On the fast solutions of nonlinear elliptic equations . . . . . . . . . . . 83--95 Hermann Schomberg Monotonically convergent iterative methods for nonlinear systems of equations . . . . . . . . . . . . . . . 97--104 V. Conrad and Y. Wallach Alternating methods for sets of linear equations . . . . . . . . . . . . . . . 105--108
Baker Kearfott An efficient degree-computation method for a generalized method of bisection 109--127 Glenn R. Luecke A numerical procedure for computing the Moore--Penrose inverse . . . . . . . . . 129--137 Alastair Spence Error bounds and estimates for eigenvalues of integral equations. II 139--146 H. N. Mülthei Splineapproximationen von beliebigem Defekt zur numerischen Lösung gewöhnlicher Differentialgleichungen. I. (German) [Spline approximations of arbitrary defect for the numerical solution of ordinary differential equations. I] . . 147--157 P. Van der Cruyssen A reformulation of Olver's algorithm for the numerical solution of second-order linear difference equations . . . . . . 159--166 Rolf Jeltsch ${A}_{0}$-stability and stiff stability of Brown's multistep multiderivative methods . . . . . . . . . . . . . . . . 167--181 P. Midy and Y. Yakovlev An extrapolation method for the quadrature of functions with singularities in the vicinity of the interval of integration . . . . . . . . 183--196 Alexander Voigt The method of lines for nonlinear parabolic differential equations with mixed derivatives . . . . . . . . . . . 197--207 S. Kesavan La méthode de Kikuchi appliquée aux équations de von Kármán. (French) [Kikuchi's Method Applied to von Kármán's Equations] . . . . . . . . . . . . . . . 209--232
Françoise Chatelin Sur les bornes d'erreur a posteriori pour les éléments propres d'opérateurs linéaires. (French) [On the a posteriori error bounds for the proper elements of linear operators] . . . . . . . . . . . 233--246 D. Apprato and R. Arcangéli and J. L. Gout Sur les éléments finis rationnels de Wachspress. (French) [On the finite rational elements of Wachspress] . . . . 247--270 M. Razzaghi A computational solution for a matrix Riccati differential equation . . . . . 271--279 Eugen Schäfer Fehlerabschätzungen für Eigenwertnäherungen nach der Ersatzkernmethode bei Integralgleichungen. (German) [Error estimates for eigenvalues of integral equations computed by approximate kernel methods] . . . . . . . . . . . . . . . . 281--290 M. E. A. El Tom On best cubature formulas and spline interpolation . . . . . . . . . . . . . 291--306 Zdzis\law Jackiewicz Convergence of multistep methods for Volterra functional differential equations . . . . . . . . . . . . . . . 307--332 Wilhelm Werner Über ein Verfahren der Ordnung $1+\sqrt{2}$ zur Nullstellenbestimmung. (German) [On a method of order $1+\sqrt{2}$ for determining zeros] . . 333--342 Heinrich N. Mülthei Splineapproximationen von beliebigem Defekt zur numerischen Lösung gewöhnlicher Differentialgleichungen. II. (German) [Spline approximations of arbitrary defect for the numerical solution of ordinary differential equations] . . . . 343--358
Soon Park Chung An algorithm for the zeros of transcendental functions . . . . . . . . 359--371 E. Hairer Unconditionally stable methods for second order differential equations . . 373--379 Jürgen Sprekels and Heinrich Voss Pointwise inclusions of fixed points by finite-dimensional iteration schemes . . 381--392 G. Mühlbach The general recurrence relation for divided differences and the general Newton-interpolation-algorithm with applications to trigonometric interpolation . . . . . . . . . . . . . 393--408 Nai-Kuan Tsao Error analysis of splitting algorithms for polynomials . . . . . . . . . . . . 409--421 Gerhard Opfer New extremal properties for constructing conformal mappings . . . . . . . . . . . 423--429 Frank Natterer On the inversion of the attenuated Radon transform . . . . . . . . . . . . . . . 431--438 Jerry M. Wolfe On the convergence of an algorithm for discrete $L_p$ approximation . . . . . . 439--459 Patrick Chenin Une représentation intégrale de l'erreur d'interpolation. (French) [An integral representation of interpolation error] 461--479 F. L. Bauer and G. H. Golub and A. S. Householder and K. Samelson Eduard L. Stiefel: 4/21/1909--11/27/1978 480--481
B. C. Carlson Computing elliptic integrals by duplication . . . . . . . . . . . . . . 1--16 Günther Hämmerlin and Larry L. Schumaker Error bounds for the approximation of Green's kernels by splines . . . . . . . 17--22 Rolf Rannacher Nonconforming finite element methods for eigenvalue problems in linear plate theory . . . . . . . . . . . . . . . . . 23--42 Alfred Louis Acceleration of convergence for finite element solutions of the Poisson equation . . . . . . . . . . . . . . . . 43--53 Peter Kaps and Peter Rentrop Generalized Runge--Kutta methods of order four with stepsize control for stiff ordinary differential equations 55--68 Pavel Chocholaty and L'udomír \vSlahor A numerical method to boundary value problems for second order delay differential equations . . . . . . . . . 69--75 Wilhelm Hock Asymptotic expansions for multistep methods applied to nonlinear Volterra integral equations of the second kind 77--100 D. L. Barrow and P. W. Smith Efficient $L_2$ approximation by splines 101--114
P. Deuflhard A stepsize control for continuation methods and its special application to multiple shooting techniques . . . . . . 115--146 Martin Stynes A simplification of Stenger's topological degree formula . . . . . . . 147--155 K. Veseli\'c On a class of Jacobi-like procedures for diagonalizing arbitrary real matrices 157--172 K. Veseli\'c On a new class of elementary matrices 173--180 A. Greenbaum Comparison of splittings used with the conjugate gradient algorithm . . . . . . 181--193 Kazuo Ishihara On the mixed finite element approximation for the buckling of plates 195--210 M. Bercovier and O. Pironneau Error estimates for finite element method solution of the Stokes problem in the primitive variables . . . . . . . . 211--224 Peter Henrici Barycentric formulas for interpolating trigonometric polynomials and their conjugates . . . . . . . . . . . . . . . 225--234
V. Girault and P. A. Raviart An analysis of a mixed finite element method for the Navier--Stokes equations 235--271 Juhani Pitkäranta Boundary subspaces for the finite element method with Lagrange multipliers 273--289 J. W. Mooney and H. Voss and B. Werner The dependence of critical parameter bounds on the monotonicity of a Newton sequence . . . . . . . . . . . . . . . . 291--301 Rita Meyer-Spasche A note on the approximation of mildly nonlinear Dirichlet problems by finite differences . . . . . . . . . . . . . . 303--313 David Carlson and Biswa Nath Datta On the effective computation of the inertia of a non-Hermitian matrix . . . 315--322 Herbert Arndt Lösung von gewöhnlichen Differentialgleichungen mit nichtlinearen Splines. (German) [Solution of ordinary differential equations with nonlinear splines] . . . 323--338 Rüdiger Seydel Numerical computation of branch points in nonlinear equations . . . . . . . . . 339--352
T. R. Hopkins and D. E. Roberts Kufarev's method for determining the Schwarz--Christoffel parameters . . . . 353--365 M. Amara and J. M. Thomas Equilibrium finite elements for the linear elastic problem . . . . . . . . . 367--383 John B. Kioustelidis A derivative-free transformation preserving the order of convergence of iteration methods in case of multiple zeros . . . . . . . . . . . . . . . . . 385--389 George J. Miel Unified error analysis for Newton-type methods . . . . . . . . . . . . . . . . 391--396 R. Glowinski and O. Pironneau On a mixed finite element approximation of the Stokes problem. I. Convergence of the approximate solutions . . . . . . . 397--424 K. Veseli\'c and H. J. Wenzel A quadratically convergent Jacobi-like method for real matrices with complex eigenvalues . . . . . . . . . . . . . . 425--435 S. W. Ellacott On the approximate conformal mapping of multiply connected domains . . . . . . . 437--446 I. Babu\vska and R. B. Kellogg and J. Pitkäranta Direct and inverse error estimates for finite elements with mesh refinements 447--471
D. M. Greig and M. A. Abd-el-Naby Iterative solutions of nonlinear initial value differential equations in Chebyshev series using Lie series . . . 1--13 F. Utreras Diaz Sur le choix du param\`etre d'ajustement dans le lissage par fonctions spline. (French) [On the choice of the adjustment parameter in smoothing by spline functions] . . . . . . . . . . . 15--28 Jürgen Sprekels Exact bounds for the solution branches of nonlinear eigenvalue problems . . . . 29--40 I. Babu\vska and J. Osborn Analysis of finite element methods for second order boundary value problems using mesh dependent norms . . . . . . . 41--62 Florian-A. Potra and Vlastimil Pták Sharp error bounds for Newton's process 63--72 H. Mokhtar-Kharroubi Sur la convergence théorique de la méthode du gradient réduit généralisé. (French) [On the theoretical convergence of the reduced generalized gradient method] . . 73--85
D. M. Greig and M. A. Abd-el-Naby A series method for solving nonlinear two-point boundary value problems . . . 87--98 F. Locher Dividierte Differenzen und Monotonie von Quadraturformeln. (German) [Divided differences and monotony of quadrature formulas] . . . . . . . . . . . . . . . 99--109 Erich Bohl Chord techniques and Newton's method for discrete bifurcation problems . . . . . 111--124 Günther Hämmerlin and Larry L. Schumaker Procedures for kernel approximation and solution of Fredholm integral equations of the second kind . . . . . . . . . . . 125--141 Heinrich N. Mülthei Splineapproximationen von beliebigem Defekt zur numerischen Lösung gewöhnlicher Differentialgleichungen. III. (German) [Spline approximations of arbitrary defect for the numerical solution of ordinary differential equations. III] 143--154 W. J. Thron and H. Waadeland Accelerating convergence of limit periodic continued fractions ${K}(a_{n}/1)$ . . . . . . . . . . . . . 155--170 Harry Yserentant Die Mehrstellenformeln für den Laplaceoperator. (German) [The Hermitian formulas for Laplace's operator] . . . . 171--187 Tetsuro Yamamoto Error bounds for computed eigenvalues and eigenvectors . . . . . . . . . . . . 189--199 Bernd Schulzendorff Reguläre Zerlegungen und Berechnung des Spektralradius nichtnegativer Matrizen. (German) [Regular splittings and computation of the spectral radius of nonnegative matrices] . . . . . . . . . 201--216
Susanne Dittrich and Wolfgang Hackbusch A method of characteristics solving the initial-boundary value problem of a hyperbolic differential equation of second order . . . . . . . . . . . . . . 217--234 J. R. Cash On the integration of stiff systems of O.D.E.s using extended backward differentiation formulae . . . . . . . . 235--246 Eldon Hansen Global optimization using interval analysis --- the multi-dimensional case 247--270 Wilhelm Niethammer Numerical application of Euler's series transformation and its generalizations 271--283 Michael Crandall and Andrew Majda The method of fractional steps for conservation laws . . . . . . . . . . . 285--314 Luis Contesse B. Une caractérisation compl\`ete des minima locaux en programmation quadratique. (French) [A complete characterization of local minima in quadratic programming] 315--332 Jean-Paul Delahaye Algorithmes pour suites non convergentes. (French) [Algorithms for nonconvergent sequences] . . . . . . . . 333--347
Harold Greenberg An algorithm for a linear Diophantine equation and a problem of Frobenius . . 349--352 P. Nelson, Jr. and H. D. Victory, Jr. Convergence of two-dimensional Nyström discrete-ordinates in solving the linear transport equation . . . . . . . . . . . 353--370 J. R. Cash A note on the numerical solution of linear recurrence relations . . . . . . 371--386 Ian H. Sloan and William E. Smith Product integration with the Clenshaw--Curtis points: implementation and error estimates . . . . . . . . . . 387--401 J. P. Milaszewicz A generalization of the Stein--Rosenberg theorem to Banach spaces . . . . . . . . 403--409 Peter Jochum The numerical solution of the inverse Stefan problem . . . . . . . . . . . . . 411--429 D. Meyer and K. Veseli\'c On some new inclusion theorems for the eigenvalues of partitioned matrices . . 431--437 Krisorn Jittorntrum and M. R. Osborne Strong uniqueness and second-order convergence in nonlinear discrete approximation . . . . . . . . . . . . . 439--455 K. P. Hadeler Effective computation of periodic orbits and bifurcation diagrams in delay equations . . . . . . . . . . . . . . . 457--467
Tommy Elfving Block-iterative methods for consistent and inconsistent linear equations . . . 1--12 A. K. Aziz and M. Schneider and A. Werschulz A finite element method for the Tricomi problem . . . . . . . . . . . . . . . . 13--20 J. Christiansen and R. D. Russell Deferred corrections using uncentered end formulas . . . . . . . . . . . . . . 21--33 Claus Schneider Produktintegration mit nicht-äquidistanten Stützstellen. (German) [Product integration with non-equidistant knots] . . . . . . . . . 35--43 Manfred von Golitschek An algorithm for scaling matrices and computing the minimum cycle mean in a digraph . . . . . . . . . . . . . . . . 45--55 E. Hairer Unconditionally stable explicit methods for parabolic equations . . . . . . . . 57--68 Michael Neumann and Richard S. Varga On the sharpness of some upper bounds for the spectral radii of S.O.R. iteration matrices . . . . . . . . . . . 69--79 P. Rentrop An algorithm for the computation of the exponential spline . . . . . . . . . . . 81--93 A. O. Griewank Starlike domains of convergence for Newton's method at singularities . . . . 95--111
H. J. Symm and J. H. Wilkinson Realistic error bounds for a simple eigenvalue and its associated eigenvector . . . . . . . . . . . . . . 113--126 Garth A. Baker and Vassilios A. Dougalis and Steven M. Serbin An approximation theorem for second-order evolution equations . . . . 127--142 Marie-Noëlle Le Roux Méthodes multipas pour des équations paraboliques non linéaires. (French) [Multipass methods for nonlinear parabolic equations] . . . . . . . . . . 143--162 Masatake Mori Analytic representations suitable for numerical computation of some special functions . . . . . . . . . . . . . . . 163--174 C. Brezinski A general extrapolation algorithm . . . 175--187 Gerhard Opfer Conformal mappings onto prescribed regions via optimization techniques . . 189--200 Jutta Weisel Numerische Ermittlung quasikonformer Abbildungen mit finiten Elementen. (German) [Numerical determination of quasiconformal mappings by finite elements] . . . . . . . . . . . . . . . 201--222 Fridrich Sloboda A generalized conjugate gradient algorithm for minimization . . . . . . . 223--230 Peter Lory Enlarging the domain of convergence for multiple shooting by the homotopy method 231--240
Göran Starius On composite mesh difference methods for hyperbolic differential equations . . . 241--255 Michel Crouzeix Une méthode multipas implicite-explicite pour l'approximation des équations d'évolution paraboliques. (French) [A multipass explicit-implicit method for the approximation of parabolic evolutionary equations] . . . . . . . . 257--276 Hans-Detlef D. Mittelmann On the efficient solution of nonlinear finite element equations. I . . . . . . 277--291 Klaus Ritter On the rate of superlinear convergence of a class of variable metric methods 293--313 J.-C. Nédélec Mixed finite elements in ${\bf R}^{3}$ 315--341 K. Glashoff and H. Kreth Vorzeichenstabile Differenzenverfahren für parabolische Anfangsrandwertaufgaben. (German) [Sign-stability in difference schemes for parabolic initial-boundary value problems] . . . . . . . . . . . . 343--354 D. J. Hartfiel Concerning the Solution Set of $Ax = b$ where $P \le A \le Q$ and $p \le b \le q$ . . . . . . . . . . . . . . . . . . . 355--359
Joseph M. Lambert An alternative computational method for the approximation of random functions 361--368 I. Deák Three digit accurate multiple normal probabilities . . . . . . . . . . . . . 369--380 P. Le Tallec A mixed finite element approximation of the Navier--Stokes equations . . . . . . 381--404 E. Wagenführer Die Determinantenmethode zur Berechnung des charakteristischen Exponenten der endlichen Hillschen Differentialgleichung. (German) [On the determinantal method for calculating the characteristic exponent of the finite Hill differential equation] . . . . . . 405--420 R. M. M. Mattheij Characterizations of dominant and dominated solutions of linear recursions 421--442 J. P. Delahaye and B. Germain-Bonne Résultats négatifs en accélération de la convergence. (French) [Negative results in convergence acceleration] . . . . . . 443--457 Qun Lin and Jia Quan Liu Extrapolation method for Fredholm integral equations with non-smooth kernels . . . . . . . . . . . . . . . . 459--464 Henning Esser and Klaus Niederdrenk Nichtäquidistante Diskretisierungen von Randwertaufgaben. (German) [Nonuniform discretizations of boundary value problems in ODE] . . . . . . . . . . . . 465--478
F. Brezzi and J. Rappaz and P. A. Raviart Finite-dimensional approximation of nonlinear problems. I. Branches of nonsingular solutions . . . . . . . . . 1--25 F. Aleixo Oliveira Collocation and residual correction . . 27--31 P. Lesaint and M. Zlámal Convergence of the nonconforming Wilson element for arbitrary quadrilateral meshes . . . . . . . . . . . . . . . . . 33--52 Alkiviadis G. Akritas An implementation of Vincent's theorem 53--62 Dario Bini and Grazia Lotti Stability of Fast Algorithms for Matrix Multiplication . . . . . . . . . . . . . 63--72 Hans Wilhelm Alt Numerical solution of steady-state porous flow free boundary problems . . . 73--98 Herbert Arndt Ein verallgemeinerter Kettenbruch-Algorithmus zur rationalen Hermite-Interpolation. (German) [A generalized continued fraction algorithm for rational Hermite interpolation] . . 99--107
H. Götze and F. L. Bauer Klaus Samelson: geb. 21.12.1918, gest. 25.5.1980 (German) [Klaus Samelson: born 21.12.1981, died 25.5.1980] . . . . . . 109--109 P. R. Graves-Morris and T. R. Hopkins Reliable rational interpolation . . . . 111--128 Jean Duchon and Raoul Robert and Patrick Witomski Probl\`eme de Dirichlet dans l'image bilipschitzienne d'un demi-espace. (French) [The Dirichlet Problem in the bi-Lipschitz image of a Half-Space] . . 129--149 Karl Scherer On optimal global error bounds obtained by scaled local error estimates . . . . 151--176 J. J. M. Cuppen A Divide and Conquer Method for the Symmetric Tridiagonal Eigenproblem . . . 177--195 H. Weber Numerical computation of the Fourier transform using Laguerre functions and the fast Fourier transform . . . . . . . 197--209 Hermann König and Diethard Pallaschke On Khachian's algorithm and minimal ellipsoids . . . . . . . . . . . . . . . 211--223
Manfred Dobrowolski A mixed finite element method for solving the nonstationary Stokes equation . . . . . . . . . . . . . . . . 225--236 Elias A. Lipitakis and David J. Evans The rate of convergence of an approximate matrix factorization semi-direct method . . . . . . . . . . . 237--251 J. R. Cash On the design of high order exponentially fitted formulae for the numerical integration of stiff systems 253--266 Kazuo Ishihara A finite element lumped mass scheme for solving eigenvalue problems of circular arches . . . . . . . . . . . . . . . . . 267--290 Walter Gander Least squares with a quadratic constraint . . . . . . . . . . . . . . . 291--307 Jaroslav Kautský Matrices related to interpolatory quadratures . . . . . . . . . . . . . . 309--318 W. H. Hundsdorfer and M. N. Spijker A note on $B$-stability of Runge--Kutta methods . . . . . . . . . . . . . . . . 319--331 Florian A. Potra and Vlastimil Pták A generalization of regula falsi . . . . 333--346
Hermann Brunner and Syvert P. Nòrsett Superconvergence of collocation methods for Volterra and Abel integral equations of the second kind . . . . . . . . . . . 347--358 J. Bräuninger A variable metric algorithm for unconstrained minimization without evaluation of derivatives . . . . . . . 359--373 Hans Detlef Mittelmann On the efficient solution of nonlinear finite element equations. II. Bound-constrained problems . . . . . . . 375--387 Ronald H. W. Hoppe A penalty method for the approximate solution of stationary Maxwell equations 389--403 Martin H. Gutknecht Solving Theodorsen's integral equation for conformal maps with the fast Fourier transform and various nonlinear iterative methods . . . . . . . . . . . 405--429 E. Hairer Order conditions for numerical methods for partitioned ordinary differential equations . . . . . . . . . . . . . . . 431--445 D. F. Paget The numerical evaluation of Hadamard finite-part integrals . . . . . . . . . 447--453 H. Evéquoz and Y. Jaccard A nonconforming finite element method to compute the spectrum of an operator relative to the stability of a plasma in toroidal geometry . . . . . . . . . . . 455--465
F. Brezzi and J. Rappaz and P. A. Raviart Finite-dimensional approximation of nonlinear problems. II. Limit points . . 1--28 G. J. Fix and M. D. Gunzburger and R. A. Nicolaides On mixed finite element methods for first-order elliptic systems . . . . . . 29--48 Katrina Bogues and Corbett R. Morrow and Thomas N. L. Patterson An implementation of the method of Ermakov and Zolotukhin for multidimensional integration and interpolation . . . . . . . . . . . . . 49--60 Rolf Jeltsch and Olavi Nevanlinna Stability of explicit time discretizations for solving initial value problems . . . . . . . . . . . . . 61--91 F. M. Larkin Root finding by divided differences . . 93--104 Noboru Kikuchi Convergence of a penalty-finite element approximation for an obstacle problem 105--120 Lois Mansfield Finite element methods for nonlinear shell analysis . . . . . . . . . . . . . 121--131 D. M. Hough and N. Papamichael The use of splines and singular functions in an integral equation method for conformal mapping . . . . . . . . . 133--147 P. Van der Cruyssen A continued fraction algorithm . . . . . 149--156
Zahari Zlatev Zero-stability properties of the three-ordinate variable stepsize variable formula methods . . . . . . . . 157--166 Klaus Böhmer Discrete Newton methods and iterated defect corrections . . . . . . . . . . . 167--192 M. Bozzini and L. Lenarduzzi Approximation of multivariable functions with respect to random points less than $2^{k}$, $k$ dimension of space . . . . 193--203 P. J. van der Houwen and H. J. J. te Riele Backward differentiation type formulas for Volterra integral equations of the second kind . . . . . . . . . . . . . . 205--217 H. Koßmann Differenzenverfahren zur Berechnung periodischer Lösungen von hyperbolischen Differentialgleichungen. (German) [Finite difference methods for the computation of periodic solutions of hyperbolic differential equations] . . . 219--233 H. J. Oberle and H. J. Pesch Numerical treatment of delay differential equations by Hermite interpolation . . . . . . . . . . . . . 235--255 Ivo Babu\vska and Milo R. Dorr Error estimates for the combined $h$ and $p$ versions of the finite element method . . . . . . . . . . . . . . . . . 257--277 R. E. Bank and D. J. Rose Global approximate Newton methods . . . 279--295 Lloyd N. Trefethen Rational Chebyshev approximation on the unit disk . . . . . . . . . . . . . . . 297--320
Yvon Maday and Alfio Quarteroni Legendre and Chebyshev spectral approximations of Burgers' equation . . 321--332 P. Neittaanmäki and J. Saranen On finite element approximation of the gradient for solution of Poisson equation . . . . . . . . . . . . . . . . 333--337 G. Mühlbach An algorithmic approach to Hermite--Birkhoff interpolation . . . . 339--347 Friedrich W. Biegler-König A Newton iteration process for inverse eigenvalue problems . . . . . . . . . . 349--354 J. R. Cash High order $P$-stable formulae for the numerical integration of periodic initial value problems . . . . . . . . . 355--370 H. Brass and G. Schmeisser Error estimates for interpolatory quadrature formulae . . . . . . . . . . 371--386 Dietrich Braess The contraction number of a multigrid method for solving the Poisson equation 387--404 Douglas N. Arnold Discretization by finite elements of a model parameter dependent problem . . . 405--421 Lois Mansfield On the multigrid solution of finite element equations with isoparametric elements . . . . . . . . . . . . . . . . 423--432 Jean-Claude Paumier Une méthode numérique pour le calcul des points de retournement. Application \`a un probl\`eme aux limites non-linéaire. I. Étude théorique et expérimentation de la méthode. (French) [A numerical method for the calculation of turning points. Application to a problem at nonlinear limits. I. Theoretical and experimental study of the method] . . . . . . . . . . 433--444 Jean-Claude Paumier Une méthode numérique pour le calcul des points de retournement. Application \`a un probl\`eme aux limites non-linéaire. II. Analyse numérique d'un probl\`eme aux limites non-linéaire. (French) [A numerical method for the calculation of turning points. Application to a problem at non-linear limits. II. Numerical analysis of a problem at nonlinear limits.] . . . . . . . . . . . . . . . . 445--452 Martin Stynes On the construction of sufficient refinements for computation of topological degree . . . . . . . . . . . 453--462
F. Brezzi and J. Rappaz and P. A. Raviart Finite dimensional approximation of nonlinear problems. III. Simple bifurcation points . . . . . . . . . . . 1--30 S. Pissanetzky and F. G. Basombrío On the numerical errors in one-step algorithms for time dependent problems 31--37 Dimitri M. Fagé The indicatrix method in free boundary problems . . . . . . . . . . . . . . . . 39--52 J. P. Milaszewicz On fixed point linear equations . . . . 53--59 C. I. Goldstein The finite element method with nonuniform mesh sizes applied to the exterior Helmholtz problem . . . . . . . 61--82 Klaus Schittkowski The nonlinear programming method of Wilson, Han, and Powell with an augmented Lagrangian type line search function. I. Convergence analysis . . . 83--114 Klaus Schittkowski The nonlinear programming method of Wilson, Han, and Powell with an augmented Lagrangian type line search function. II. An efficient implementation with linear least squares subproblems . . . . . . . . . . . . . . 115--127 Jürgen Fischer An algorithm for discrete linear $L_p$ approximation . . . . . . . . . . . . . 129--139 R. Reemtsen and C. J. Lozano An approximation technique for the numerical solution of a Stefan problem 141--154
Wilhelm Hock An extrapolation method with step size control for nonlinear Volterra integral equations . . . . . . . . . . . . . . . 155--178 Richard S. Varga and Da Yong Cai On the ${LU}$ factorization of ${M}$-matrices . . . . . . . . . . . . . 179--192 S. P. Nòrsett and G. Wanner Perturbed collocation and Runge--Kutta methods . . . . . . . . . . . . . . . . 193--208 Andrzej Stachurski Superlinear convergence of symmetric Huang's class of methods . . . . . . . . 209--218 Helmut Kleinmichel Quasi-Newton-Verfahren vom Rang-Eins-Typ zur Lösung unrestringierter Minimierungsprobleme. I. Verfahren und grundlegende Eigenschaften. (German) [Quasi-Newton methods of rank-one type for the solution of unconstrained minimization problems. I. Methods and general properties] . . . . . . . . . . 219--228 Helmut Kleinmichel Quasi-Newton-Verfahren vom Rang-Eins-Typ zur Lösung unrestringierter Minimierungsprobleme. II. $n$-Schritt-quadratische Konvergenz für Restart-Varianten. (German) [Quasi-Newton methods of rank-one-type for the solution of unconstrained minimization problems. II. $n$-step quadratic convergence for restart variants] . . . . . . . . . . . . . . . 229--244 E. Dollinger Ein linear konvergentes zyklisches jacobiähnliches Verfahren für beliebige reelle Matrizen. (German) [A linear convergent cyclic Jacobi-like method for arbitrary real matrices] . . . . . . . . 245--253 Dimitri M. Fagé The indicatrix method. II . . . . . . . 255--261 Ian H. Sloan Analysis of general quadrature methods for integral equations of the second kind . . . . . . . . . . . . . . . . . . 263--278 P. Kaps and G. Wanner A study of Rosenbrock-type methods of high order . . . . . . . . . . . . . . . 279--298
Avram Sidi An algorithm for a special case of a generalization of the Richardson extrapolation process . . . . . . . . . 299--307 O. Pironneau On the transport-diffusion algorithm and its applications to the Navier--Stokes equations . . . . . . . . . . . . . . . 309--332 Jerry W. Lewis Inversion of Tridiagonal Matrices . . . 333--345 Kazuo Murota and Masao Iri Parameter tuning and repeated application of the IMT-type transformation in numerical quadrature 347--363 P. Le Tallec Existence and approximation results for nonlinear mixed problems: application to incompressible finite elasticity . . . . 365--382 Wilhelm Werner Some supplementary results on the $1+\sqrt{2}$ order method for the solution of nonlinear equations . . . . 383--392 Viorel Arn\uautu Approximation of optimal distributed control problems governed by variational inequalities . . . . . . . . . . . . . . 393--416 D. J. Evans and J. Shanehchi and C. C. Rick A modified bisection algorithm for the determination of the eigenvalues of a symmetric tridiagonal matrix . . . . . . 417--419 Klaus-Jürgen Förster Bemerkungen zur optimalen Tschebyscheff-Typ Quadratur. (German) [Remarks on optimal Chebyshev-type quadratures] . . . . . . . . . . . . . . 421--425 Florian A. Potra An error analysis for the secant method 427--445 Miente Bakker A note on ${C}^\circ$ Galerkin methods for two-point boundary problems . . . . 447--453 Gerd Pönisch and Hubert Schwetlick Ein lokal überlinear konvergentes Verfahren zur Bestimmung von Rückkehrpunkten implizit definierter Raumkurven. (German) [A locally superlinearly convergent method for computing turning points of implicitly defined space curves] . . . . . . . . . 455--465 Eckart Gekeler On the stability of backward differentiation methods . . . . . . . . 467--471
M. Gasca and J. I. Maeztu On Lagrange and Hermite interpolation in ${\bf R}^{k}$ . . . . . . . . . . . . . 1--14 C. Bernardi Approximation of Hopf bifurcation . . . 15--37 Houde Han The numerical solutions of interface problems by infinite element method . . 39--50 Maksymilian Dryja A capacitance matrix method for Dirichlet problem on polygon region . . 51--64 M. von Golitschek Optimal cycles in double weighted graphs and approximation of bivariate functions by univariate ones . . . . . . . . . . . 65--84 A. J. Geurts A Contribution to the Theory of Condition . . . . . . . . . . . . . . . 85--96 J.-C. Nédélec Éléments finis mixtes incompressibles pour l'équation de Stokes dans ${\bf R}^{3}$. (French) [Incompressible mixed finite elements for the Stokes equation in ${\bf R}^{3}$] . . . . . . . . . . . . . 97--112 G. Alefeld On the convergence of the symmetric SOR method for matrices with red-black ordering . . . . . . . . . . . . . . . . 113--117 A. Griewank and Ph. L. Toint Partitioned variable metric updates for large structured optimization problems 119--137 H. Van de Vel The Haar condition and multiplicity of zeros . . . . . . . . . . . . . . . . . 139--153 R. Jeltsch and O. Nevanlinna Erratum: ``Stability of explicit time discretizations for solving initial value problems'' [Numer. Math. \bf 37 (1981), no. 1, 61--91 and MR 82g:65042] 155--155
James E. Shirey Minimization of extended quadratic functions . . . . . . . . . . . . . . . 157--161 G. Alefeld Zur Konvergenz eines Verfahrens von D. J. Evans zur iterativen Verbesserung einer Näherung für die inverse Matrix. (German) [On the convergence of D. J. Evans' implicit matrix inversion process] . . . . . . . . . . . . . . . . 163--173 Hang Chin Lai and Pou Yah Wu Error bounds of Newton type process on Banach spaces . . . . . . . . . . . . . 175--193 Otto Hübner Über die Anzahl der Lösungen der diskreten Theodorsen-Gleichung. (German) [On the number of solutions of the discrete Theodorsen equation] . . . . . . . . . . 195--204 C. Canuto and Y. Maday and A. Quarteroni Analysis of the combined finite element and Fourier interpolation . . . . . . . 205--220 Zdzis\law Jackiewicz Adams methods for neutral functional-differential equations . . . 221--230 G. Greaves An algorithm for the Hausdorff moment problem . . . . . . . . . . . . . . . . 231--238 Alexander Shapiro Optimally Scaled Matrices, Necessary and Sufficient Conditions . . . . . . . . . 239--245 E. Hairer Constructive characterization of ${A}$-stable approximations to ${\rm exp}(z)$ and its connection with algebraically stable Runge--Kutta methods . . . . . . . . . . . . . . . . 247--258 J. N. Lyness and Luigi Gatteschi On quasidegree quadrature rules . . . . 259--267 D. Braess and E. Zehnder On the numerical treatment of a small divisor problem . . . . . . . . . . . . 269--292 R. Schaback Fehlerabschätzungen für Koeffizienten von Exponentialsummen und Polynomen. (German) [Error estimates for coefficients of exponential sums and polynomials] . . . . . . . . . . . . . . 293--307
Moshe Israeli and Marius Ungarish Improvement of numerical solution of boundary layer problems by incorporation of asymptotic approximations . . . . . . 309--324 Mouhamed Nabih El Tarazi Some convergence results for asynchronous algorithms. (French) [Des résultats de convergence des algorithmes asynchrones] . . . . . . . . . . . . . . 325--340 M. M. Chawla and C. P. Katti Finite difference methods and their convergence for a class of singular two-point boundary value problems . . . 341--350 R. Wong Quadrature formulas for oscillatory integral transforms . . . . . . . . . . 351--360 V. Hari On the global convergence of the Eberlein method for real matrices . . . 361--369 Laure Reinhart On the numerical analysis of the von Kármán equations: mixed finite element approximation and continuation techniques . . . . . . . . . . . . . . . 371--404 K. Sikorski Optimal quadrature algorithms in $ H_p $ spaces . . . . . . . . . . . . . . . . . 405--410 Gerhard Opfer Solving complex approximation problems by semiinfinite-finite optimization techniques: a study of convergence . . . 411--420 Martin Kütz Monotony in interpolatory quadratures 421--428 A. Griewank and Ph. L. Toint Local convergence analysis for partitioned quasi-Newton updates . . . . 429--448 H. N. Mülthei Maximale Konvergenzordnung bei der numerischen Lösung von Anfangswertproblemen mit Splines. (German) [Maximal order of convergence in the numerical solution of initial value problems with splines] . . . . . . 449--463
M. Bernadou and Y. Ducatel Approximation of general arch problems by straight beam elements (elasticity) 1--29 Moshe Levin Optimal quadrature formula of Markov's and Locher's type with weight function 31--37 Annie A. M. Cuyt The $\varepsilon$-algorithm and multivariate Padé-approximants . . . . . 39--46 Wolfgang Rath Fast Givens Rotations for Orthogonal Similarity Transformations . . . . . . . 47--56 R. E. Funderlic and M. Neumann and R. J. Plemmons $LU$ Decompositions of Generalized Diagonally Dominant Matrices . . . . . . 57--69 H. P. Dikshit and P. Powar Discrete cubic spline interpolation . . 71--78 B. Döhler Ein neues Gradientenverfahren zur simultanen Berechnung der kleinsten oder größten Eigenwerte des allgemeinen Eigenwertproblems. (German) [A new gradient method for the simultaneous calculation of the smallest or largest eigenvalues of the general eigenvalue problem] . . . . . . . . . . . . . . . . 79--91 Wolfgang Seewald Quotienten-Differenzen-Algorithmus: Beweis der Regeln von Rutishauser. (German) [Quotient-difference algorithm: proof of Rutishauser's rule] . . . . . . 93--98 Frank Körner and Claus Richter Zur effektiven Lösung von booleschen, quadratischen Optimierungsproblemen. (German) [On the efficient solution of Boolean quadratic programming problems] 99--109 K. Sikorski Bisection is optimal . . . . . . . . . . 111--117 Ch. Lubich Runge--Kutta theory for Volterra integro-differential equations . . . . . 119--135 John D. Dixon Exact solution of linear equations using $P$-adic expansions . . . . . . . . . . 137--141
Jaroslav Remar and John C. Bruch, Jr. and James M. Sloss Axisymmetric free surface seepage . . . 143--168 A. N. Saworin Über die Effektivität einiger nichtlinearer Verfahren bei der numerischen Behandlung steifer Differentialgleichungssysteme. (German) [On the efficiency of some nonlinear methods for the numerical solution of systems of stiff differential equations] 169--177 D. Fagé Approximation of time-dependent free boundaries . . . . . . . . . . . . . . . 179--199 Tetsuro Yamamoto Error bounds for computed eigenvalues and eigenvectors. II . . . . . . . . . . 201--206 W. Höhn Finite elements for parabolic equations backwards in time . . . . . . . . . . . 207--227 Hans Strauß Unicity of best one-sided $L_1$-approximations . . . . . . . . . . 229--243 Rolf Jeltsch and Olavi Nevanlinna Stability and accuracy of time discretizations for initial value problems . . . . . . . . . . . . . . . . 245--296
G. W. Stewart Computing the $CS$ decomposition of a partitioned orthonormal matrix . . . . . 297--306 M. Brannigan The strict Chebyshev solution of overdetermined systems of linear equations with rank deficient matrix . . 307--318 Rolf E. Müller Discretization of multiparameter eigenvalue problems . . . . . . . . . . 319--328 J. R. Cash On improving the absolute stability of local extrapolation . . . . . . . . . . 329--337 M. Bieterman and I. Babu\vska The finite element method for parabolic equations. I. A posteriori error estimation . . . . . . . . . . . . . . . 339--371 M. Bieterman and I. Babu\vska The finite element method for parabolic equations. II. A posteriori error estimation and adaptive approach . . . . 373--406 J. Kautský and S. Elhay Calculation of the Weights of Interpolatory Quadratures . . . . . . . 407--422
Abdelaziz Hilali Réductibilité d'un syst\`eme différentiel linéaire. (French) [Reducibility of a linear differential system] . . . . . . 1--17 Michael Vogelius A right-inverse for the divergence operator in spaces of piecewise polynomials. Application to the $p$-version of the finite element method 19--37 Michael Vogelius An analysis of the $p$-version of the finite element method for nearly incompressible materials. Uniformly valid, optimal error estimates . . . . . 39--53 Jozef Brilla Error analysis for Laplace transform---finite element solution of hyperbolic equations . . . . . . . . . . 55--62 N. M. Temme The numerical computation of the confluent hypergeometric function ${U}(a,\,b,\,z)$ . . . . . . . . . . . . 63--82 Yair Censor and Paul P. B. Eggermont and Dan Gordon Strong underrelaxation in Kaczmarz's method for inconsistent systems . . . . 83--92 R. Seydel Branch switching in bifurcation problems for ordinary differential equations . . 93--116 Günther Nürnberger and Manfred Sommer A Remez type algorithm for spline functions . . . . . . . . . . . . . . . 117--146
G. H. Golub and J. Kautský Calculation of Gauss quadratures with multiple free and fixed knots . . . . . 147--163 Lawrence F. Shampine and Lorraine S. Baca Smoothing the extrapolated midpoint rule 165--175 W. Niethammer and R. S. Varga The analysis of $k$-step iterative methods for linear systems from summability theory . . . . . . . . . . . 177--206 Günther Nürnberger and Manfred Sommer Alternation for best spline approximations . . . . . . . . . . . . . 207--221 Klaus Niederdrenk and Harry Yserentant Die gleichmäßige Stabilität singulär gestörter diskreter und kontinuierlicher Randwertprobleme. (German) [The uniform stability of singularly perturbed discrete and continuous boundary value problems] . . . . . . . . . . . . . . . 223--253 Ekkehard Wagenführer On calculating the eigenvalues of the finite Hill's differential equation . . 255--279 Annie A. M. Cuyt Accelerating the convergence of a table with multiple entry . . . . . . . . . . 281--286
D. M. Hough and N. Papamichael An integral equation method for the numerical conformal mapping of interior, exterior and doubly-connected domains 287--307 Abraham Ziv A Stable Method for the Evaluation of a Polynomial and of a Rational Function of One Variable . . . . . . . . . . . . . . 309--319 Ji-guang Sun The perturbation bounds for eigenspaces of a definite matrix-pair . . . . . . . 321--343 Vidar Thomée and Lars B. Wahlbin Maximum-norm stability and error estimates in Galerkin methods for parabolic equations in one space variable . . . . . . . . . . . . . . . . 345--371 G. Bader and P. Deuflhard A semi-implicit mid-point rule for stiff systems of ordinary differential equations . . . . . . . . . . . . . . . 373--398 P. Deuflhard Order and stepsize control in extrapolation methods . . . . . . . . . 399--422 Anonymous Author Index: Volumes 1--40 (1959--1982) I--LII
Germund Dahlquist and Huang Mingyou and Randall LeVeque On the uniform power-boundedness of a family of matrices and the applications to one-leg and linear multistep methods 1--13 A. Bellen Monotone methods for periodic solutions of second order scalar functional-differential equations . . . 15--30 R. P. Kulkarni and B. V. Limaye On the steps of convergence of approximate eigenvectors in the Rayleigh--Schrödinger series . . . . . . 31--50 Ludwig Wagatha Approximation of pseudodifferential operators in absorbing boundary conditions for hyperbolic equations . . 51--64 W. Hackbusch and H. D. Mittelmann On multi-grid methods for variational inequalities . . . . . . . . . . . . . . 65--76 R. Kreß and W. T. Spassov On the condition number of boundary integral operators for the exterior Dirichlet problem for the Helmholtz equation . . . . . . . . . . . . . . . . 77--95 József Abaffy and Fridrich Sloboda Imperfect conjugate gradient algorithms for extended quadratic functions . . . . 97--105 Florencio Utreras Natural spline functions, their associated eigenvalue problem . . . . . 107--117 Harry Yserentant Die maximale Konsistenzordnung von Differenzenapproximationen nichtnegativer Art. (German) [The maximal consistency order of difference approximations of nonnegative kind] . . 119--123 Anonymous Announcing an International Conference on Numerical Analysis on the Occasion of the 25th Anniversary of the founding of Numerische Mathematik, March 19--21, 1984 at the Technische Universität Munich 124--124
A. C. Allison and N. J. Young Numerical algorithms for the Nevanlinna--Pick problem . . . . . . . . 125--145 D. W. Decker and C. T. Kelley Sublinear convergence of the chord method at singular points . . . . . . . 147--154 Lala B. Krishna Some new results on unsymmetric successive overrelaxation method . . . . 155--160 Klaus-Hermann Meyn Solution of underdetermined nonlinear equations by stationary iteration methods . . . . . . . . . . . . . . . . 161--172 Max D. Gunzburger and Janet S. Peterson On conforming finite element methods for the inhomogeneous stationary Navier--Stokes equations . . . . . . . . 173--194 G. Nürnberger and L. L. Schumaker and M. Sommer and H. Strauss Interpolation by generalized splines . . 195--212 Lois Mansfield Analysis of finite element methods for the nonlinear dynamic analysis of shells 213--235 A. N. Stokes Efficient stable ways to calculate continued fraction coefficients from some series . . . . . . . . . . . . . . 237--245 Mu Dingyi Asymptotic behavior of the polynomial factor in the interpolation error . . . 247--257 Anonymous Announcemen: Alston S. Householder Award V (1984) . . . . . . . . . . . . . . . . 258--258
Annie A. M. Cuyt The QD-algorithm and multivariate Padé-approximants . . . . . . . . . . . . 259--269 M. N. Spijker Contractivity in the numerical solution of initial value problems . . . . . . . 271--290 Heinrich Puschmann and Joaquín Cortés The Coordinex Problem and its Relation to the Conjecture of Wilkinson . . . . . 291--297 J. R. Cash Split linear multistep methods for the numerical integration of stiff differential systems . . . . . . . . . . 299--310 S. I. Hariharan and E. Stephan A boundary element method for a two-dimensional interface problem in electromagnetics . . . . . . . . . . . . 311--322 M. T. Chu On a numerical treatment for the curve-tracing of the homotopy method . . 323--329 P. R. Graves-Morris Vector valued rational interpolants. I 331--348 M. van Veldhuizen On $D$-stability and $B$-stability . . . 349--357 Rolf Dieter Grigorieff Stability of multistep-methods on variable grids . . . . . . . . . . . . . 359--377 Bernhard Schmitt Norm bounds for rational matrix functions . . . . . . . . . . . . . . . 379--389
D. R. Sweet Fast Toeplitz orthogonalization . . . . 1--21 J. Della Dora and C. Di Crescenzo Approximants de Padé-Hermite. I. Théorie. (French) [Padé--Hermite approximants. I. Theory] . . . . . . . . . . . . . . . . 23--39 J. Della Dora and C. Di Crescenzo Approximants de Padé--Hermite. II. Programmation. (French) [Padé--Hermite approximants. II. Programming] . . . . . 41--57 Alexander Eydeland A method of solving nonlinear variational problems by nonlinear transformation of the objective functional. I . . . . . . . . . . . . . 59--82 J. J. Modi and M. R. B. Clarke An Alternative Givens Ordering . . . . . 83--90 Peter Wilhelm Meyer Das modifizierte Newton-Verfahren in verallgemeinerten Banach-Räumen. (German) [The modified Newton method in generalized Banach spaces] . . . . . . . 91--104 S. Kesavan A potential method for the biharmonic equation . . . . . . . . . . . . . . . . 105--119 Marino Zennaro Maximum principles for linear difference-differential operators in periodic function spaces . . . . . . . . 121--139 Wing Hung Wong On constrained multivariate splines and their approximations . . . . . . . . . . 141--152 Herbert J. Bernstein An accelerated bisection method for the calculation of eigenvalues of a symmetric tridiagonal matrix . . . . . . 153--160
Giovanni Monegato Convergence of product formulas for the numerical evaluation of certain two-dimensional Cauchy principal value integrals . . . . . . . . . . . . . . . 161--173 Koichi Niijima A uniformly convergent difference scheme for a semilinear singular perturbation problem . . . . . . . . . . . . . . . . 175--198 Patrick Le Tallec and Marina Vidrascu Une méthode numérique pour les probl\`emes d'équilibre de corps hyperélastiques compressibles en grandes déformations. (French) [A numerical method for solving equilibrium problems of compressible hyperelastic bodies in large deformations] . . . . . . . . . . . . . 199--224 K. Sikorski Optimal solution of nonlinear equations satisfying a Lipschitz condition . . . . 225--240 M. Gaviano and F. Testa A general convergence theorem for the reduced gradient method . . . . . . . . 241--247 W. Dickmeis and R. J. Nessel and E. van Wickeren A general approach to counterexamples in numerical analysis . . . . . . . . . . . 249--263 J. Elschner Galerkin methods with splines for singular integral equations over $(0,\,1)$ . . . . . . . . . . . . . . . 265--281 Jeannette van Iseghem Padé-type approximations of $\exp(-z)$ whose denominators are $(1 + z / n)^n$ 283--292 Annie A. M. Cuyt and Brigitte M. Verdonk General order Newton--Padé approximants for multivariate functions . . . . . . . 293--307 Rolf Rannacher Finite element solution of diffusion problems with irregular data . . . . . . 309--327 Anonymous Announcing an International Conference on Numerical Analysis . . . . . . . . . 328--328
V. N. Kublanovskaya ${AB}$-algorithm and its modifications for the spectral problems of linear pencils of matrices . . . . . . . . . . 329--342 Herbert Arndt Numerical solution of retarded initial value problems: local and global error and stepsize control . . . . . . . . . . 343--360 Jo A. M. Bollen Numerical Stability of Descent Methods for Solving Linear Equations . . . . . . 361--377 Klaus Bartke Die Struktur der normalen rationalen Funktionen. (German) [The structure of normal rational functions] . . . . . . . 379--388 Zdzis\law Jackiewicz Asymptotic stability analysis of $\theta $-methods for functional differential equations . . . . . . . . . . . . . . . 389--396 Pavol Brunovský and Pavol Meravý Solving systems of polynomial equations by bounded and real homotopy . . . . . . 397--418 Kazuo Ishihara Monotone explicit iterations of the finite element approximations for the nonlinear boundary value problem . . . . 419--437 Bruno Gabutti On two methods for accelerating convergence of series . . . . . . . . . 439--461 Gunter H. Meyer Free boundary problems with nonlinear source terms . . . . . . . . . . . . . . 463--483
J. H. Wilkinson On neighbouring matrices with quadratic elementary divisors . . . . . . . . . . 1--21 George Csordas and Richard S. Varga Comparisons of regular splittings of matrices . . . . . . . . . . . . . . . . 23--35 Josef Stoer The convergence of matrices generated by rank-2 methods from the restricted $\beta$-class of Broyden . . . . . . . . 37--52 Walter Gautschi Discrete approximations to spherically symmetric distributions . . . . . . . . 53--60 G. W. Stewart On the invariance of perturbed null vectors under column scaling . . . . . . 61--65 C. Zenger Positivity in complex spaces and its application to Gershgorin discs . . . . 67--73 I. Babu\vska and M. Vogelius Feedback and adaptive finite element solution of one-dimensional boundary value problems . . . . . . . . . . . . . 75--102 B. N. Parlett and W. D. Wu Eigenvector matrices of symmetric tridiagonals . . . . . . . . . . . . . . 103--110 M. von Golitschek and H. Schneider Applications of shortest path algorithms to matrix scalings . . . . . . . . . . . 111--126 L. Elsner A note on optimal block-scaling of matrices . . . . . . . . . . . . . . . . 127--128 W. Niethammer and H. Wietschorke On the acceleration of limit periodic continued fractions . . . . . . . . . . 129--137 Werner Sautter Zur Kondition des linearen Ausgleichsproblems mit linearen Gleichungen als Nebenbedingungen. (German) [On the condition of the linear least squares problem with linear equations as side conditions] . . . . . 139--152
Maksymilian Dryja A finite element-capacitance method for elliptic problems on regions partitioned into subregions . . . . . . . . . . . . 153--168 G. W. Wasilkowski and H. Wo\'zniakowski Can adaption help on the average? . . . 169--190 A. K. Aziz and Houde Han and M. Schneider A finite element method for a boundary value problem of mixed type . . . . . . 191--200 Claudio Canuto and Yvon Maday and Alfio Quarteroni Combined finite element and spectral approximation of the Navier--Stokes equations . . . . . . . . . . . . . . . 201--217 J. M. Boland and R. A. Nicolaides On the stability of bilinear-constant velocity-pressure finite elements . . . 219--222 Raj\vco D. Lazarov and Vladimir L. Makarov and Wilfried Weinelt On the convergence of difference schemes for the approximation of solutions $u\in {W}^{m}_{2}$ $(m>0.5)$ of elliptic equations with mixed derivatives . . . . 223--232 Johann Schröder Numerical error bounds for fourth order boundary value problems, simultaneous estimation of $u(x)$ and $u^{\prime\prime}(x)$ . . . . . . . . . 233--245 J. G. Verwer Contractivity of locally one-dimensional splitting methods . . . . . . . . . . . 247--259 G. Akrivis Fehlerabschätzungen für Gauß-Quadraturformeln. (German) [Error estimates for Gaussian quadrature formulas] . . . . . . . . . . . . . . . 261--278 C. Palencia and J. M. Sanz-Serna An extension of the Lax--Richtmyer theory . . . . . . . . . . . . . . . . . 279--283 Kazuo Ishihara On numerical asymptotic behavior of finite element solutions for parabolic equations . . . . . . . . . . . . . . . 285--300 Jan-Erik Andersson and Borislav D. Bojanov A note on the optimal quadrature in ${H}^{p}$ . . . . . . . . . . . . . . . 301--308 M. E. Brewster and R. Kannan Nonlinear successive over-relaxation . . 309--315
William B. Gragg and William J. Harrod The numerically stable reconstruction of Jacobi matrices from spectral data . . . 317--335 H. Strauss Monotonicity of quadrature formulae of Gauss type and comparison theorems for monosplines . . . . . . . . . . . . . . 337--347 Zhong-ci Shi A convergence condition for the quadrilateral Wilson element . . . . . . 349--361 Mouhamed Nabih El Tarazi Algorithmes mixtes asynchrones. Étude de convergence monotone. (French) [Asynchronous mixed algorithms. Study of monotonic convergence] . . . . . . . . . 363--369 M. Vanninathan and G. D. Veerappa Gowda Approximation of Tricomi problem with Neumann boundary condition . . . . . . . 371--391 Richard Haverkamp Eine Aussage zur $L_\infty$-Stabilität und zur genauen Konvergenzordnung der $H^1_0$-Projektionen. (German) [A statement concerning $L_\infty$-stability and the exact order of convergence of $H^1_0$-projections] 393--405 Manfred Reimer Best constants occurring with the modulus of continuity in the error estimate for spline interpolants of odd degree on equidistant grids . . . . . . 407--415 Manfred Reimer Error estimates for spline interpolants on equidistant grids . . . . . . . . . . 417--424 Eugene O'Riordan Singularly perturbed finite element methods . . . . . . . . . . . . . . . . 425--434 Rudolf Wegmann Convergence proofs and error estimates for an iterative method for conformal mapping . . . . . . . . . . . . . . . . 435--461 Miodrag Petkovi\'c and Lidija Stefanovi\'c On the convergence order of accelerated root iterations . . . . . . . . . . . . 463--476
Douglas N. Arnold and Jim Douglas, Jr. and Chaitan P. Gupta A family of higher order mixed finite element methods for plane elasticity . . 1--22 Franco Tomarelli Regularity theorems and optimal error estimates for linear parabolic Cauchy problems . . . . . . . . . . . . . . . . 23--50 P. M. Hanson and J. E. Walsh Asymptotic theory of the global error and some techniques of error estimation 51--74 Carlos Conca Approximation de quelques probl\`emes de type Stokes par une méthode d'éléments finis mixtes. (French) [Mixed finite element approximation of Stokes-type problems] . . . . . . . . . . . . . . . 75--91 B. Z. Kacewicz How to increase the order to get minimal-error algorithms for systems of ODE . . . . . . . . . . . . . . . . . . 93--104 Michal K\vrí\vzek and Pekka Neittaanmäki Superconvergence phenomenon in the finite element method arising from averaging gradients . . . . . . . . . . 105--116 Jacques Rappaz Approximation of a nondifferentiable nonlinear problem related to MHD equilibria . . . . . . . . . . . . . . . 117--133 R. Smarzewski and A. Bujalska-Horbowicz Quartic $X$-splines . . . . . . . . . . 135--148 Claudine Chaffy Une construction ``homog\`ene'' d'approximants de Padé \`a deux variables complexes. (French) [A ``homogeneous'' construction of Padé approximants in two complex variables] . . . . . . . . . . . 149--164
Lois Mansfield On finite element subspaces over quadrilateral and hexahedral meshes for incompressible viscous flow problems . . 165--172 J. M. Sanz-Serna Convergence of the Lambert-McLeod trajectory solver and of the CELF method 173--182 A. Iserles Solving linear ordinary differential equations by exponentials of iterated commutators . . . . . . . . . . . . . . 183--199 L. F. Shampine Asymptotic bounds on the errors of one-step methods . . . . . . . . . . . . 201--206 Andrzej Marciniak Energy conserving, arbitrary order numerical solutions of the ${N}$-body problem . . . . . . . . . . . . . . . . 207--218 R. Kannan and M. B. Ray Monotone iterative methods for nonlinear equations involving a noninvertible linear part . . . . . . . . . . . . . . 219--225 Stephan Ruscheweyh On a global descent method for polynomials . . . . . . . . . . . . . . 227--240 T. J. Ypma Convergence of Newton-like-iterative methods . . . . . . . . . . . . . . . . 241--251 R. Reemtsen and A. Kirsch A method for the numerical solution of the one-dimensional inverse Stefan problem . . . . . . . . . . . . . . . . 253--273 Kurt Jetter Eine kurze Anmerkung zur Romberg-Integration. (German) [A short note on Romberg integration] . . . . . . 275--281 K. Strehmel and R. Weiner Partitioned adaptive Runge--Kutta methods and their stability . . . . . . 283--300 A. M. Sanchez and R. Arcangeli Estimations des erreurs de meilleure approximation polynômiale et d'interpolation de Lagrange dans les espaces de Sobolev d'ordre non entier. (French) [Estimates of the best polynomial approximation errors and the Lagrange interpolation error in fractional-order Sobolev spaces] . . . . 301--321
James P. Fink and Werner C. Rheinboldt Solution manifolds and submanifolds of parametrized equations and their discretization errors . . . . . . . . . 323--343 E. Hairer and C. Lubich Asymptotic expansions of the global error of fixed-stepsize methods . . . . 345--360 Joszef Abaffy and Charles G. Broyden and Emilio Spedicato A Class of Direct Methods for Linear Systems . . . . . . . . . . . . . . . . 361--376 Pham Dinh Tao Algorithmes de calcul du maximum des formes quadratiques sur la boule unité de la norme du maximum. (French) [Some methods for computing the maximum of quadratic forms on the unit ball of the maximum norm] . . . . . . . . . . . . . 377--401 J. J. M. Cuppen On Updating Triangular Products of Householder Reflections . . . . . . . . 403--409 Krzysztof C. Kiwiel A quadratic approximation method for minimizing a class of quasidifferentiable functions . . . . . 411--430 P. P. B. Eggermont Stability and robustness of collocation methods for Abel-type integral equations 431--445 Nikolaos M. Missirlis Convergence theory of extrapolated iterative methods for a certain class of non-symmetric linear systems . . . . . . 447--458
Uri Ascher On some difference schemes for singular singularly-perturbed boundary value problems . . . . . . . . . . . . . . . . 1--30 Mario Arioli and Francesco Romani Relations Between Condition Numbers and the Convergence of the Jacobi Method for Real Positive Definite Matrices . . . . 31--42 Tien-Yien Li and John Mallet-Paret and James A. Yorke Regularity results for real analytic homotopies . . . . . . . . . . . . . . . 43--50 Harald Niederreiter The serial test for pseudo-random numbers generated by the linear congruential method . . . . . . . . . . 51--68 Günter Mayer On the convergence of powers of interval matrices. II . . . . . . . . . . . . . . 69--83 M. Brokate Numerical solution of a hyperbolic free boundary problem with a method of characteristics . . . . . . . . . . . . 85--99 S. Kesavan and A. S. Vasudevamurthy On some boundary element methods for the heat equation . . . . . . . . . . . . . 101--120 C. Dagnino and A. Palamara Orsi On the evaluation of certain two-dimensional singular integrals with Cauchy kernels . . . . . . . . . . . . . 121--130 E. Görlich and D. Pontzen Alpha well-posedness, alpha stability, and the matrix theorems of H.-O. Kreiss 131--146 Jan Mandel On multilevel iterative methods for integral equations of the second kind and related problems . . . . . . . . . . 147--157
S. L. Dodd and D. F. McAllister Algorithms for computing shape preserving spline approximations to data 159--174 M. Laydi and P. Lesaint Sur les éléments finis rationnels de Serendip de degré quelconque. (French) [On rational Serendip finite elements of arbitrary degree] . . . . . . . . . . . 175--187 Dirk Roose and Robert Piessens Numerical computation of nonsimple turning points and cusps . . . . . . . . 189--211 Götz Alefeld and Peter Volkmann Regular splittings and monotone iteration functions . . . . . . . . . . 213--228 M. Sahba On the solution of nonlinear inequalities in a finite number of iterations . . . . . . . . . . . . . . . 229--236 Vitoriano Ruas Quasisolenoidal velocity-pressure finite element methods for the three-dimensional Stokes problem . . . . 237--253 M. Arioli and A. Laratta Error Analysis of an Algorithm for Solving an Underdetermined Linear System 255--268 M. Fortin A three-dimensional quadratic nonconforming element . . . . . . . . . 269--279 Robert Schaback Convergence analysis of the general Gauss--Newton algorithm . . . . . . . . 281--309
Claude Brezinski Composite sequence transformations . . . 311--321 James Lucien Howland and Rémi Vaillancourt Attractive cycles in the iteration of meromorphic functions . . . . . . . . . 323--337 G. Mühlbach Two composition methods for solving certain systems of linear equations . . 339--349 H. Schippers Multigrid methods for boundary integral equations . . . . . . . . . . . . . . . 351--363 Friedrich Stummel Forward error analysis of Gaussian elimination. I. Error and residual estimates . . . . . . . . . . . . . . . 365--395 Friedrich Stummel Forward error analysis of Gaussian elimination. II. Stability theorems . . 397--415 J. F. Ciavaldini and M. Crouzeix A finite element method scheme for one-dimensional elliptic equations with high super convergence at the nodes . . 417--427 Peter Knabner Control of Stefan problems by means of linear-quadratic defect minimization . . 429--442 J. J. Modi and J. D. Pryce Efficient implementation of Jacobi's diagonalization method on the DAP . . . 443--454 K. Zi\ketak The Chebyshev solution of the linear matrix equation $AX+YB=C$ . . . . . . . 455--478
Charles F. Van Loan Computing the $CS$ and the Generalized singular value decompositions . . . . . 479--491 R. Robert and P. Witomski Sur une équation d'évolution intégro-différentielle singuli\`ere linéaire. (French) [A singular integro-differential evolution equation] 493--498 Kazuo Ishihara A finite element lumped mass scheme for solving eigenvalue problems of circular arches. II. Numerical experiments with Double precision arithmetic . . . . . . 499--504 C. Canuto and S. I. Hariharan and L. Lustman Spectral methods for exterior elliptic problems . . . . . . . . . . . . . . . . 505--520 Koichi Niijima On a difference scheme of exponential type for a nonlinear singular perturbation problem . . . . . . . . . . 521--539 Christopher Baltus and William B. Jones Truncation error bounds for limit-periodic continued fractions $K(a_n/1)$ with $\lim a_n=0$ . . . . . . 541--569 C. V. Pao Monotone iterative methods for finite difference system of reaction-diffusion equations . . . . . . . . . . . . . . . 571--586 I. N. Molchanov and \=E. F. Galba On finite element methods for the Neumann problem . . . . . . . . . . . . 587--598 Alexander Eydeland A method of solving nonlinear variational problems by nonlinear transformation of the objective functional. II . . . . . . . . . . . . . 599--609 J. N. Lyness The Euler Maclaurin expansion for the Cauchy principal value integral . . . . 611--622 Petra Peisker A multilevel algorithm for the biharmonic problem . . . . . . . . . . . 623--634
John Lund Bessel transforms and rational extrapolation . . . . . . . . . . . . . 1--14 U. Lamp and K. T. Schleicher and W. L. Wendland The fast Fourier transform and the numerical solution of one-dimensional boundary integral equations . . . . . . 15--38 Marc Bourdeau and Alain Pitre Tables of good lattices in four and five dimensions . . . . . . . . . . . . . . . 39--43 Ph. Cortey-Dumont On finite element approximation in the $L^\infty$-norm of variational inequalities . . . . . . . . . . . . . . 45--57 Peter Albrecht Numerical treatment of ODEs: the theory of ${A}$-methods . . . . . . . . . . . . 59--87 M. A. Kowalski and A. G. Werschulz and H. Wo\'zniakowski Is Gauss quadrature optimal for analytic functions? . . . . . . . . . . . . . . . 89--98 M. F. Hutchinson and F. R. de Hoog Smoothing noisy data with spline functions . . . . . . . . . . . . . . . 99--106 Fabio A. Milner A primal hybrid finite element method for quasilinear second order elliptic problems . . . . . . . . . . . . . . . . 107--122 Joseph W. Jerome An adaptive Newton algorithm based on numerical inversion: regularization as postconditioner . . . . . . . . . . . . 123--138 Mitsuhiro T. Nakao Error estimates of a Galerkin method for some nonlinear Sobolev equations in one space dimension . . . . . . . . . . . . 139--157
V. L. Bakke and Z. Jackiewicz Stability of reducible quadrature methods for Volterra integral equations of the second kind . . . . . . . . . . . 159--173 J. Roman Calculs de complexité relatifs \`a une méthode de dissection emboî tée. (French) [Relative complexity bounds for a nested dissection method] . . . . . . . . . . . 175--190 Egil Rye and Haakon Waadeland Reflections on value regions, limit regions and truncation errors for continued fractions . . . . . . . . . . 191--215 Franco Brezzi and Jim Douglas, Jr. and L. D. Marini Two families of mixed finite elements for second order elliptic problems . . . 217--235 I. Gohberg and I. Koltracht Numerical solution of integral equations, fast algorithms and Kre\uìn-Sobolev equation . . . . . . . . 237--288 Alan L. Andrew and John W. Paine Correction of Numerov's eigenvalue estimates . . . . . . . . . . . . . . . 289--300 Alfredo Bellen and Marino Zennaro Numerical solution of delay differential equations by uniform corrections to an implicit Runge--Kutta method . . . . . . 301--316
Douglas N. Arnold and Wolfgang L. Wendland The convergence of spline collocation for strongly elliptic equations on curves . . . . . . . . . . . . . . . . . 317--341 Frank Natterer Fourier reconstruction in tomography . . 343--353 Ronald Guenther and Robert Hudspeth and William McDougal and Jürgen Gerlach Remarks on parameter identification. I 355--361 Germund Dahlquist On transformations of graded matrices, with applications to stiff ODEs . . . . 363--385 Sven-Åke Gustafson Stable convergence acceleration using Laplace transforms . . . . . . . . . . . 387--394 Helmut Braß Eine Fehlerabschätzung für positive Quadraturformeln. (German) [An error estimate for positive quadrature formulas] . . . . . . . . . . . . . . . 395--399 Reinhard Menzel and Hubert Schwetlick Parametrization via secant length and application to path following . . . . . 401--412 Jochen W. Schmidt and Wolfgang Hoyer and Christian Haufe Consistent approximations in Newton-type decomposition methods . . . . . . . . . 413--425 Valerie A. Miller and Michael Neumann A note on comparison theorems for nonnegative matrices . . . . . . . . . . 427--434 M. I. Comodi Approximation of a bending plate problem with a boundary unilateral constraint 435--458 John C. Bruch, Jr. and James M. Sloss Alternating iteration and elliptic variational inequalities . . . . . . . . 459--481
M. W. Berry and M. T. Heath and I. Kaneko and M. Lawo and R. J. Plemmons and R. C. Ward An algorithm to compute a sparse basis of the null space . . . . . . . . . . . 483--504 M. Eiermann and W. Niethammer and R. S. Varga A study of semiiterative methods for nonsymmetric systems of linear equations 505--533 G. Akrivis and A. Burgstaller Fehlerabschätzungen für nichtsymmetrische Gauß-Quadraturformeln. (German) [Error estimates for nonsymmetric Gaussian quadrature formuale] . . . . . . . . . . 535--543 Peter Rentrop Partitioned Runge--Kutta methods with stiffness detection and stepsize control 545--564 Rolf Dieter Grigorieff Einige Stabilitätsungleichungen für gewöhnliche Differenzengleichungen in nichtkompakter Form. (German) [Some stability inequalities for ordinary difference equations in noncompact form] 565--576 Lisa Jacobsen Repeated modifications of limit $k$-periodic continued fractions . . . . 577--595 R. Kosler ${W}^{m,2}$-Fehlerabschätzungen für Galerkin-Näherungen schwach elliptischer quasilinearer Randwertprobleme $2m$-ter Ordnung. (German) [${W}^{m,2}$-error estimates for Galerkin approximations of weakly elliptic quasilinear boundary value problems of order $2m$] . . . . . 597--609 Florencio I. Utreras Smoothing noisy data under monotonicity constraint: existence, characterization and convergence rates . . . . . . . . . 611--625 Eduardo Casas $L^2$ estimates for the finite element method for the Dirichlet problem with singular data . . . . . . . . . . . . . 627--632
Robert D. Skeel Thirteen ways to estimate global error 1--20 G. M. Trojan Optimal transformations for scalar sequences . . . . . . . . . . . . . . . 21--32 Rolf Jeltsch and Olavi Nevanlinna Accuracy and stability of multistage multistep formulas . . . . . . . . . . . 33--83 Urs Kirchgraber Multi-step methods are essentially one-step methods . . . . . . . . . . . . 85--90 Tetsuro Yamamoto Error bounds for Newton's iterates derived from the Kantorovich theorem . . 91--98 S. Prössdorf and A. Rathsfeld On spline Galerkin methods for singular integral equations with piecewise continuous coefficients . . . . . . . . 99--118 W. M. Häussler A Kantorovich-type convergence analysis for the Gauss--Newton method . . . . . . 119--125
V. L. Bakke and Z. Jackiewicz Stability analysis of product $\theta$-methods for Abel integral equations of the second kind . . . . . . 127--136 G. Raugel Finite-dimensional approximation of bifurcation problems in presence of symmetries . . . . . . . . . . . . . . . 137--198 Bruno Gabutti and J. N. Lyness Some generalizations of the Euler-Knopp transformation . . . . . . . . . . . . . 199--220 Klaus-Günther G. Strack Stability and accuracy for implicit semidiscretizations of hyperbolic problems . . . . . . . . . . . . . . . . 221--237 M. Cosnard and J.-M. Muller and Y. Robert Parallel $QR$ decomposition of a rectangular matrix . . . . . . . . . . . 239--249
Alfred K. Louis Incomplete data problems in X-ray computerized tomography I. Singular value decomposition of the limited angle transform . . . . . . . . . . . . . . . 251--262 P. P. B. Eggermont Improving the accuracy of collocation solutions of Volterra integral equations of the first kind by local interpolation 263--279 P. Destuynder and J.-C. Nédélec Approximation numérique du cisaillement transverse dans les plaques minces en flexion. (French) [Numerical approximation of transverse shear stress in bent plates] . . . . . . . . . . . . 281--302 J. F. B. M. Kraaijevanger Absolute monotonicity of polynomials occurring in the numerical solution of initial value problems . . . . . . . . . 303--322 Helmut Werner and H. Hilgers Lösung von Differentialgleichungen mit Splinefunktionen. Eine Störungstheorie. I. Divergenzaussagen. (German) [Solution of differential equations by splines. A perturbation theory. I. Statements about divergence] . . . . . . . . . . . . . . 323--336 Youcef Saad On the condition number of some Gram matrices arising from least squares approximation in the complex plane . . . 337--347 A. S. Krishnakumar and Martin Morf Eigenvalues of a Symmetric Tridiagonal Matrix: a Divide-and-Conquer Approach 349--368
Walter Gautschi On the sensitivity of orthogonal polynomials to perturbations in the moments . . . . . . . . . . . . . . . . 369--382 E. Hairer ${A}$- and ${B}$-stability for Runge--Kutta methods---characterizations and equivalence . . . . . . . . . . . . 383--389 G. Alefeld Componentwise inclusion and exclusion sets for solutions of quadratic equations in finite-dimensional spaces 391--416 F. Brezzi and M. Cornalba and A. Di Carlo How to get around a simple quadratic fold . . . . . . . . . . . . . . . . . . 417--427 Helmut Werner Multivariate Padé approximation . . . . . 429--440 H. Späth Orthogonal least squares fitting with linear manifolds . . . . . . . . . . . . 441--445 Rolf Stenberg On the construction of optimal mixed finite element methods for the linear elasticity problem . . . . . . . . . . . 447--462 G. Nürnberger and M. Sommer and H. Strauß An algorithm for segment approximation 463--477
Owe Axelsson and Gunhild Lindskog On the eigenvalue distribution of a class of preconditioning methods . . . . 479--498 Owe Axelsson and Gunhild Lindskog On the rate of convergence of the preconditioned conjugate gradient method 499--523 Roland Freund and Stephan Ruscheweyh On a class of Chebyshev approximation problems which arise in connection with a conjugate gradient type method . . . . 525--542 A. van der Sluis and H. A. van der Vorst The Rate of Convergence of Conjugate Gradients . . . . . . . . . . . . . . . 543--560 Fadi El Dabaghi and Olivier Pironneau Stream vectors in three-dimensional aerodynamics . . . . . . . . . . . . . . 561--589 A. Griewank and G. W. Reddien The approximation of generalized turning points by projection methods with superconvergence to the critical parameter . . . . . . . . . . . . . . . 591--606
M. Hegland and J. T. Marti Numerical computation of least constants for the Sobolev inequality . . . . . . . 607--616 Wolfgang Volk Globale Superkonvergenz bei der Lösung von linearen Randwertaufgaben. (German) [Global superconvergence in the solution of linear boundary value problems] . . . 617--625 David Culpin Calculation of cubic smoothing splines for equally spaced data . . . . . . . . 627--638 N. Papamichael and M. K. Warby Stability and convergence properties of Bergman kernel methods for numerical conformal mapping . . . . . . . . . . . 639--669 A. R. Davies and R. S. Anderssen Improved estimates of statistical regularization parameters in Fourier differentiation and smoothing . . . . . 671--697 M. H. Gutknecht and W. Niethammer and R. S. Varga $k$-step iterative methods for solving nonlinear systems of equations . . . . . 699--712
Chiu Li Hu and Larry L. Schumaker Complete spline smoothing . . . . . . . 1--10 H. Blum and Q. Lin and R. Rannacher Asymptotic error expansion and Richardson extrapolation for linear finite elements . . . . . . . . . . . . 11--37 Zbigniew Leyk A ${C}^0$-collocation-like method for two-point boundary value problems . . . 39--53 Manfred Reimer and D. Siepmann An elementary algebraic representation of polynomial spline interpolants for equidistant lattices and its condition 55--65 Jennifer Dixon and Sean McKee and Rolf Jeltsch Convergence analysis of discretization methods for nonlinear first kind Volterra integral equations . . . . . . 67--80 A. W. Bojánczyk and R. P. Brent and F. R. de Hoog $QR$ factorization of Toeplitz matrices 81--94 C. Großmann and M. Krätzschmar and H.-G. Roos Gleichmäßig einschließende Diskretisierungsverfahren für schwach nichtlineare Randwertaufgaben. (German) [Uniformly enclosing discretization methods for weakly nonlinear boundary value problems] . . . . . . . . . . . . 95--110
Walter Gautschi and Gradimir V. Milovanovi\'c Spline approximations to spherically symmetric distributions . . . . . . . . 111--121 M. N. Vrahatis and K. I. Iordanidis A rapid generalized method of bisection for solving systems of non-linear equations . . . . . . . . . . . . . . . 123--138 R. Frank and J. Hertling and H. Lehner $B$-convergence properties of defect correction methods. I . . . . . . . . . 139--162 R. Frank and J. Hertling and H. Lehner $B$-convergence properties of defect correction methods. II . . . . . . . . . 163--188 Jim Douglas, Jr. and Chaitan P. Gupta Superconvergence for a mixed finite element method for elastic wave propagation in a plane domain . . . . . 189--202 Tetsuro Yamamoto A method for finding sharp error bounds for Newton's method under the Kantorovich assumptions . . . . . . . . 203--220 Bernard Beauzamy Jensen's inequality for polynomials with concentration at low degrees . . . . . . 221--225 C. U. Huy and P. J. McKenna and W. Walter Finite difference approximations to the Dirichlet problem for elliptic systems 227--237 Ronald H. W. Hoppe Multi-grid methods for Hamilton--Jacobi--Bellman equations . . 239--254 Reinhard Scholz Numerical solution of the obstacle problem by the penalty method. II. Time-dependent problems . . . . . . . . 255--268 Ronald Cools and Ann Haegemans Optimal addition of knots to cubature formulae for planar regions . . . . . . 269--274 E. Jan W. ter Maten and Gerard L. G. Sleijpen A convergence analysis of hopscotch methods for fourth order parabolic equations . . . . . . . . . . . . . . . 275--290 Mohammed-Najib Benbourhim Spline approximant in Hilbertian subspaces of ${\cal C}({\Omega})$ . . . 291--303 Marino Zennaro $P$-stability properties of Runge--Kutta methods for delay differential equations 305--318 J. M. Sanz-Serna and M. N. Spijker Regions of stability, equivalence theorems and the Courant-Friedrichs-Lewy condition . . . . . . . . . . . . . . . 319--329 Jean Meinguet On the Davis-Kahan-Weinberger solution of the norm-preserving dilation problem 331--341
John W. Barrett and Charles M. Elliott Finite element approximation of the Dirichlet problem using the boundary penalty method . . . . . . . . . . . . . 343--366 Alfredo N. Iusem and Alvaro Rodolfo De Pierro Convergence results for an accelerated nonlinear Cimmino algorithm . . . . . . 367--378 Harry Yserentant On the Multi-Level Splitting of Finite Element Spaces . . . . . . . . . . . . . 379--412 J. A. van de Griend and J. F. B. M. Kraaijevanger Absolute monotonicity of rational functions occurring in the numerical solution of initial value problems . . . 413--424 Pinchas Bar-Yoseph and Moshe Israeli An asymptotic finite element method for improvement of solutions of boundary layer problems . . . . . . . . . . . . . 425--438 J. L. Gout and A. Guessab Sur les formules de quadrature numérique \`a nombre minimal de n\oeuds d'intégration. (French) [Cubature formulas with a minimal number of knots] 439--455 R. Beauwens Erratum: ``Factorization iterative methods, $M$-operators and $H$-operators'' [Numer. Math. 31 1978/1979, no. 4, 335--357 and MR 81e:65014] . . . . . . . . . . . . . . . 457--457 Anonymous Announcement: Alston S. Householder Award VI (1987) . . . . . . . . . . . . 459--459
Yiannis G. Saridakis On the analysis of the unsymmetric successive overrelaxation method when applied to $p$-cyclic matrices . . . . . 461--473 Zi-Cai Li A nonconforming combined method for solving Laplace's boundary value problems with singularities . . . . . . 475--497 Stephen Joe and Ian H. Sloan On Bateman's method for second kind integral equations . . . . . . . . . . . 499--510 Guo Ben Yu and A. R. Mitchell Analysis of a nonlinear difference scheme in reaction-diffusion . . . . . . 511--527 Takashi Suzuki and Hiroshi Fujita A remark on the $L^\infty$ bounds of the Ritz operator associated with a finite element approximation . . . . . . . . . 529--544 H. Ortloff Asymptotisches Verhalten und Konvergenzbeschleunigung von Iterationsfolgen. (German) [Asymptotic behavior and acceleration of convergence of iteration sequences] . . . . . . . . 545--559 A. Guessab Cubature formulae which are exact on spaces ${P}$, intermediate between${P}_k$ and ${Q}_{k'}$ . . . . . 561--576
W. Gui and I. Babu\vska The $h$, $p$ and $h-p$ versions of the finite element method for one-dimensional problems. Part I: The error analysis of the $p$-version . . . 577--612 W. Gui and I. Babu\vska The $h$, $p$ and $h-p$ versions of the finite element method for one-dimensional problems. Part II: The error analysis of the $h$ and $p$ versions . . . . . . . . . . . . . . . . 613--657 W. Gui and I. Babu\vska The $h$, $p$ and $h-p$ versions of the finite element method for one-dimensional problems. Part III: The adaptive $h-p$ version . . . . . . . . . 659--683 King-wah Eric Chu Generalization of the Bauer--Fike Theorem . . . . . . . . . . . . . . . . 685--691
Martin Stynes and Eugene O'Riordan A finite element method for a singularly perturbed boundary value problem . . . . 1--15 Günter Mayer On a theorem of Stein--Rosenberg type in interval analysis . . . . . . . . . . . 17--26 Gustaf Söderlind Bounds on nonlinear operators in finite-dimensional Banach spaces . . . . 27--44 Robert Kosler A priori-Schranken für diskrete Lösungen monotoner Operatorgleichungen und Anwendungen. (German) [A priori bounds for discrete solutions of monotone operator equations and applications] . . 45--55 J.-C. Nédélec A new family of mixed finite elements in ${\bf R}^3$ . . . . . . . . . . . . . . 57--81 W. H. Hundsdorfer Stability and $B$-convergence of linearly implicit Runge--Kutta methods 83--95 M. N. Spijker Monotonicity and boundedness in implicit Runge--Kutta methods . . . . . . . . . . 97--109 Götz Alefeld and Peter Volkmann Zur Konvergenz des SSOR-Verfahrens für nichtlineare Gleichungssysteme. (German) [Convergence of the SSOR-method for nonlinear systems of simultaneous equations] . . . . . . . . . . . . . . . 111--121 Harry Yserentant Erratum: ``On the multilevel splitting of finite element spaces'' . . . . . . . 123--123
U. Banerjee and A. Lutoborski Approximation of the solution of a fourth-order boundary value problem with nonsmooth coefficient . . . . . . . . . 125--145 D. Blanchard and P. Le Tallec Numerical analysis of the equations of small strains quasistatic elastoviscoplasticity . . . . . . . . . 147--169 Manabu Sakai and M. C. López de Silanes A simple rational spline and its application to monotonic interpolation to monotonic data . . . . . . . . . . . 171--182 E. Gekeler and R. Widmann On the order conditions of Runge--Kutta methods with higher derivatives . . . . 183--203 Alan L. Andrew and John W. Paine Correction of finite element estimates for Sturm--Liouville eigenvalues . . . . 205--215 Claudio Canuto and Giovanni Sacchi Landriani Analysis of the Kleiser-Schumann method 217--243 Erich Novak The average a posteriori error of numerical methods . . . . . . . . . . . 245--252
William W. Hager A modified fast Fourier transform for polynomial evaluation and the Jenkins--Traub algorithm . . . . . . . . 253--261 Eberhard Schock Semi-iterative methods for the approximate solution of ill-posed problems . . . . . . . . . . . . . . . . 263--271 Giovanni Monegato On the weights of certain quadratures for the numerical evaluation of Cauchy principal value integrals and their derivatives . . . . . . . . . . . . . . 273--281 T.-Y. Li and Tim Sauer Regularity results for solving systems of polynomials by homotopy method . . . 283--289 Ulrich Langer Zur numerischen Lösung des ersten biharmonischen Randwertproblems. (German) [On the numerical solution of the first biharmonic boundary value problem] . . . . . . . . . . . . . . . . 291--310 F. R. de Hoog and M. F. Hutchinson An efficient method for calculating smoothing splines using orthogonal transformations . . . . . . . . . . . . 311--319 M. Gaviano and J. Abaffy Line search by curve fitting in minimization algorithms . . . . . . . . 321--335 Günther Schmidt Spline collocation for singular integro-differential equations over $(0,1)$ . . . . . . . . . . . . . . . . 337--352 Ludwig Kohaupt Optimal $L^\infty$-error estimates for piecewise linear finite elements in ${\bf R}^n$ for $1\leq n\leq 3$ . . . . 353--362 S. R. K. Iyengar and Pragya Jain Spline finite difference methods for singular two point boundary value problems . . . . . . . . . . . . . . . . 363--376
John R. Gilbert and Robert Endre Tarjan The analysis of a nested dissection algorithm . . . . . . . . . . . . . . . 377--404 J. M. Sanz-Serna and J. G. Verwer and W. H. Hundsdorfer Convergence and order reduction of Runge--Kutta schemes applied to evolutionary problems in partial differential equations . . . . . . . . . 405--418 Giampietro Allasia and Renata Besenghi Numerical calculation of incomplete gamma functions by the trapezoidal rule 419--428 A. Hilali and A. Wazner Formes super-irréductibles des syst\`emes différentiels linéaires. (French) [Superirreducible forms of linear differential systems] . . . . . . . . . 429--449 Miloslav Feistauer and Alexander \vZení\vsek Finite element solution of nonlinear elliptic problems . . . . . . . . . . . 451--475 Tibor Fiala and Anna Krebsz On the convergence and divergence of Bairstow's method . . . . . . . . . . . 477--482 M. J. O'Reilly A uniform scheme for the singularly perturbed Riccati equation . . . . . . . 483--501
Marco Frontini and Walter Gautschi and Gradimir V. Milovanovi\'c Moment-preserving spline approximation on finite intervals . . . . . . . . . . 503--518 Martin Stynes and Eugene O'Riordan $L^1$ and $L^\infty$ uniform convergence of a difference scheme for a semilinear singular perturbation problem . . . . . 519--531 Luisa Donatella Marini Estimates from above and from below for the homogenized coefficients . . . . . . 533--545 W. Dickmeis Comparison theorems for compound quadrature formulas . . . . . . . . . . 547--556 Alfredo Fetter $L^\infty$-error estimate for an approximation of a parabolic variational inequality . . . . . . . . . . . . . . . 557--565 P. Peisker and D. Braess A conjugate gradient method and a multigrid algorithm for Morley's finite element approximation of the biharmonic equation . . . . . . . . . . . . . . . . 567--586 Lucia Gastaldi and Ricardo Nochetto Optimal $L^\infty$-error estimates for nonconforming and mixed finite element methods of lowest order . . . . . . . . 587--611 Nicholas J. Higham Error Analysis of the Björck-Pereyra Algorithms for Solving Vandermonde Systems . . . . . . . . . . . . . . . . 613--632
Helmut Jarausch and Wolfgang Mackens Solving large nonlinear systems of equations by an adaptive condensation process . . . . . . . . . . . . . . . . 633--653 Miloslav Feistauer On the finite element approximation of a cascade flow problem . . . . . . . . . . 655--684 Rüdiger Verfürth Mixed finite element approximation of the vector potential . . . . . . . . . . 685--695 Rüdiger Verfürth Finite element approximation of incompressible Navier--Stokes equations with slip boundary condition . . . . . . 697--721 Tomá\vs Roubí\vcek Optimal control of a Stefan problem with state-space constraints. Numerical approximation . . . . . . . . . . . . . 723--744
F. L. Bauer and A. S. Householder In memoriam: J. H. Wilkinson (1919--1986) . . . . . . . . . . . . . . 1--2 Juergen Gerlach and Ronald Guenther Remarks on parameter identification. II. Convergence of the algorithm . . . . . . 3--9 Jochen W. Schmidt On tridiagonal linear complementarity problems . . . . . . . . . . . . . . . . 11--21 John W. Barrett and Charles M. Elliott A practical finite element approximation of a semi-definite Neumann problem on a curved domain . . . . . . . . . . . . . 23--36 W. Freeden and J. Fleck Numerical integration by means of adapted Euler summation formulas . . . . 37--64 R. H. J. Gmelig Meyling Approximation by cubic $C^1$-splines on arbitrary triangulations . . . . . . . . 65--85 M. Masmoudi Numerical solution for exterior problems 87--101 Wolf-Jürgen Beyn On invariant closed curves for one-step methods . . . . . . . . . . . . . . . . 103--122
Stuart Nelson and Michael Neumann Generalizations of the projection method with applications to SOR theory for Hermitian positive semidefinite linear systems . . . . . . . . . . . . . . . . 123--141 R. H. Chan Iterative methods for overflow queueing models. I . . . . . . . . . . . . . . . 143--180 J. M. Ball and G. Knowles A numerical method for detecting singular minimizers . . . . . . . . . . 181--197 Winfried Auzinger Defect correction for nonlinear elliptic difference equations . . . . . . . . . . 199--208 O. Axelsson A generalized conjugate gradient, least square method . . . . . . . . . . . . . 209--227 Josef Schneid ${B}$-convergence of Lobatto ${\rm IIIC}$ formulas . . . . . . . . . . . . 229--235 Franco Brezzi and Jim Douglas, Jr. and Ricardo Durán and Michel Fortin Mixed finite elements for second order elliptic problems in three variables . . 237--250
James Weldon Demmel On Condition Numbers and the Distance to the Nearest Ill-Posed Problem . . . . . 251--289 Katalin Balla and Mária Vicsek On the reduction of Holt's problem to a finite interval . . . . . . . . . . . . 291--302 U. Banerjee Lower norm error estimates for approximate solutions of differential equations with non-smooth coefficients 303--321 S. Mas-Gallic and P. A. Raviart A particle method for first-order symmetric systems . . . . . . . . . . . 323--352 Volkmar Friedrich and Bernd Hofmann A predictor-corrector technique for constrained least-squares regularization 353--367 Bruno Gabutti and Paolo Lepora The numerical performance of Tricomi's formula for inverting the Laplace transform . . . . . . . . . . . . . . . 369--380
C. V. Pao Numerical solutions for some coupled systems of nonlinear boundary value problems . . . . . . . . . . . . . . . . 381--394 Krzysztof C. Kiwiel A constraint linearization method for nondifferentiable convex minimization 395--414 Carmen Dietel A fast iterative method for solving stationary heat conduction problems on regions partitioned into rectangles . . 415--428 József Abaffy and Aurél Galántai and Emilio Spedicato The local convergence of ABS methods for nonlinear algebraic equations . . . . . 429--439 Alan Edelman and Charles A. Micchelli Admissible slopes for monotone and convex interpolation . . . . . . . . . . 441--458 Laurence Halpern and Jeffrey Rauch Error analysis for absorbing boundary conditions . . . . . . . . . . . . . . . 459--467 Josef Hekrdla Index transforms for $N$-dimensional DFT's . . . . . . . . . . . . . . . . . 469--480
T.-Y. Li and Tim Sauer and James A. Yorke The random product homotopy and deficient polynomial systems . . . . . . 481--500 P. Deuflhard and E. Hairer and J. Zugck One-step and extrapolation methods for differential-algebraic systems . . . . . 501--516 A. Hadjidimos Optimum stationary and nonstationary iterative methods for the solution of singular linear systems . . . . . . . . 517--530 H. Späth and G. A. Watson On orthogonal linear $\ell_1$ approximation . . . . . . . . . . . . . 531--543 Tetsuro Yamamoto A convergence theorem for Newton-like methods in Banach spaces . . . . . . . . 545--557 Hans-Peter Helfrich Error estimates for semidiscrete Galerkin type approximations to semilinear evolution equations with nonsmooth initial data . . . . . . . . . 559--569 H. Fiedler Das asymptotische Verhalten der Peanokerne einiger interpolatorischer Quadraturverfahren. (German) [The asymptotic behavior of the Peano kernels of some interpolatory quadrature methods] . . . . . . . . . . . . . . . . 571--581 Paul Wild Accelerating the convergence of power series of certain entire functions . . . 583--595 Zi-Cai Li Erratum: ``A nonconforming combined method for solving Laplace's boundary value problems with singularities'' . . 597--597
P. M. Anselone and I. H. Sloan Numerical solutions of integral equations on the half line. I. The compact case . . . . . . . . . . . . . . 599--614 Martin H. Gutknecht Attenuation factors in multivariate Fourier analysis . . . . . . . . . . . . 615--629 S. A. Belbas and I. D. Mayergoyz Applications of fixed-point methods to discrete variational and quasi-variational inequalities . . . . . 631--654 Christine Bernardi and Yvon Maday and Brigitte Métivet Spectral approximation of the periodic-nonperiodic Navier--Stokes equations . . . . . . . . . . . . . . . 655--700 J. P. Thiran and S. Thiry Strict Chebyshev approximation for general systems of linear equations . . 701--725
Edward R. Vrscay and William J. Gilbert Extraneous fixed points, basin boundaries and chaotic dynamics for Schröder and König rational iteration functions . . . . . . . . . . . . . . . 1--16 Gerhard Opfer and Hans Joachim Oberle The derivation of cubic splines with obstacles by methods of optimization and optimal control . . . . . . . . . . . . 17--31 Vitoriano Ruas A quadratic finite element method for solving biharmonic problems in ${\bf R}^n$ . . . . . . . . . . . . . . . . . 33--43 Michel Roche Rosenbrock methods for differential algebraic equations . . . . . . . . . . 45--63 P. P. B. Eggermont On monotone Abel--Volterra integral equations on the half line . . . . . . . 65--79 F. K. Hebeker On the numerical treatment of viscous flows against bodies with corners and edges by boundary element and multigrid methods . . . . . . . . . . . . . . . . 81--99 B. D. Reddy and T. B. Griffin Variational principles and convergence of finite element approximations of a holonomic elastic-plastic problem . . . 101--117
Alkiviadis G. Akritas A new method for computing polynomial greatest common divisors and polynomial remainder sequences . . . . . . . . . . 119--127 C. Lubich Convolution quadrature and discretized operational calculus. I . . . . . . . . 129--145 Miloslav Feistauer and Alexander \vZení\vsek Compactness method in the finite element theory of nonlinear elliptic problems 147--163 Claudio Verdi and Augusto Visintin Error estimates for a semi-explicit numerical scheme for Stefan-type problems . . . . . . . . . . . . . . . . 165--185 M. Bernadou and Y. Ducatel and P. Trouvé Approximation of a circular cylindrical shell by Clough-Johnson flat plate finite elements . . . . . . . . . . . . 187--217 G. Monegato and V. Colombo Product integration for the linear transport equation in slab geometry . . 219--240
Walter Gautschi and Gabriele Inglese Lower Bounds for the Condition Number of Vandermonde Matrices . . . . . . . . . . 241--250 Arnold Reusken Convergence of the multigrid full approximation scheme for a class of elliptic mildly nonlinear boundary value problems . . . . . . . . . . . . . . . . 251--277 J. P. Charlier and M. Vanbegin and P. Van Dooren On efficient implementations of Kogbetliantz's algorithm for computing the singular value decomposition . . . . 279--300 Rolf Jeltsch and Peywand Kiani and Klaus Raczek Counterexamples to a stability barrier 301--316 Franz Peherstorfer On Gauss quadrature formulas with equal weights . . . . . . . . . . . . . . . . 317--327 Daniele Funaro Domain decomposition methods for pseudo spectral approximations. I. Second order equations in one dimension . . . . . . . 329--344 G. A. Chandler and I. G. Graham The convergence of Nyström methods for Wiener--Hopf equations . . . . . . . . . 345--364
William F. Moss and Philip W. Smith and Joseph D. Ward Nonlinear eigenvalue approximation . . . 365--375 E. Hairer and C. Lubich Extrapolation at stiff differential equations . . . . . . . . . . . . . . . 377--400 Takuya Tsuchiya Enlargement procedure for resolution of singularities at simple singular solutions of nonlinear equations . . . . 401--411 C. Lubich Convolution quadrature and discretized operational calculus. II . . . . . . . . 413--425 Randolph E. Bank and Todd F. Dupont and Harry Yserentant The Hierarchical Basis Multigrid Method 427--458 C. Dagnino and A. Palamara Orsi Product integration of piecewise continuous integrands based on cubic spline interpolation at equally spaced nodes . . . . . . . . . . . . . . . . . 459--466 A. Guessab Numerical cubature formulae with preassigned knots . . . . . . . . . . . 467--478 Katalin Balla and Mária Vicsek Erratum: ``On the reduction of Holt's problem to a finite interval'' . . . . . 479--479
Gene H. Golub and Richard S. Varga Obituary to Peter Henrici (13. September 1923--13. March 1987) . . . . . . . . . 481--482 G. Csordas and T. S. Norfolk and R. S. Varga A lower bound for the de Bruijn-Newman constant ${\Lambda}$ . . . . . . . . . . 483--497 S. W. Ellacott and E. B. Saff On Clenshaw's Method and a Generalisation to Faber Series . . . . . 499--509 Andreas Frommer Comparison of Brown's and Newton's method in the monotone case . . . . . . 511--521 Winfried Auzinger A quantitative discrete $H^2$-regularity estimate for the Shortley--Weller scheme in convex domains . . . . . . . . . . . 523--537 H. Blum and R. Rannacher Extrapolation techniques for reducing the pollution effect of reentrant corners in the finite element method . . 539--564 Gerald Moore Defect correction from a Galerkin viewpoint . . . . . . . . . . . . . . . 565--582 Tommy Elfving and Lars-Erik Andersson An algorithm for computing constrained smoothing spline functions . . . . . . . 583--595 Claus Schneider An analysis of Ralston's quadrature . . 597--603 Ludwig Kohaupt Erratum: ``Optimal $L^\infty$-error estimates for piecewise linear finite elements in ${\bf R}^n$ for $1\leq n\leq 3$'' [Numer. Math. 50 (1987), no. 3, 353--362 and MR 88i:65131] . . . . . . . 604--604
A. Bellen and Z. Jackiewicz and M. Zennaro Stability analysis of one-step methods for neutral delay-differential equations 605--619 Jürgen Bruder and Karl Strehmel and Rüdiger Weiner Partitioned adaptive Runge--Kutta methods for the solution of nonstiff and stiff systems . . . . . . . . . . . . . 621--638 W. Dahmen and T. N. T. Goodman and Charles A. Micchelli Compactly supported fundamental functions for spline interpolation . . . 639--664 G. Heinig and P. Jankowski and K. Rost Fast inversion algorithms of Toeplitz-plus-Hankel matrices . . . . . 665--682 Giovanni Sacchi Landriani Spectral tau approximation of the two-dimensional Stokes problem . . . . . 683--699 Seymour V. Parter Estimates for multigrid methods based on red-black Gauss--Seidel smoothings . . . 701--723
A. K. Aziz and A. B. Stephens and Manil Suri Numerical methods for reaction-diffusion problems with non-differentiable kinetics . . . . . . . . . . . . . . . . 1--11 Douglas N. Arnold and Richard S. Falk A new mixed formulation for elasticity 13--30 W. G. Szymczak and J. M. Solomon and A. E. Berger and J. B. Bell Multiple discrete solutions of the incompressible steady-state Navier--Stokes equations . . . . . . . . 31--50 D. Vasilopoulos On the determination of higher order terms of singular elastic stress fields near corners . . . . . . . . . . . . . . 51--95 E. A. Socolovsky On the numerical approximation of finite speed diffusion problems . . . . . . . . 97--105 A. K. Aziz and R. B. Kellogg and A. B. Stephens A two point boundary value problem with a rapidly oscillating solution . . . . . 107--121 Leopoldo P. Franca and Thomas J. R. Hughes and Abimael F. D. Loula and Isidoro Miranda A new family of stable elements for nearly incompressible elasticity based on a mixed Petrov--Galerkin finite element formulation . . . . . . . . . . 123--141 Xingren Ying and I. Norman Katz A reliable argument principle algorithm to find the number of zeros of an analytic function in a bounded domain 143--163 Werner C. Rheinboldt On the computation of multi-dimensional solution manifolds of parameterized equations . . . . . . . . . . . . . . . 165--181 Slimane Adjerid and Joseph E. Flaherty Second-order finite element approximations and a posteriori error estimation for two-dimensional parabolic systems . . . . . . . . . . . . . . . . 183--198 Ben Qi Guo The $h$-$p$ version of the finite element method for elliptic equations of order $2m$ . . . . . . . . . . . . . . . 199--224 Franco Brezzi and Jim Douglas, Jr. Stabilized mixed methods for the Stokes problem . . . . . . . . . . . . . . . . 225--235 Juhani Pitkäranta Analysis of some low-order finite element schemes for Mindlin--Reissner and Kirchhoff plates . . . . . . . . . . 237--254
Gang Lou and Shih-Ping Han A parallel projection method for solving generalized linear least-squares problems . . . . . . . . . . . . . . . . 255--264 Michael Eiermann and Ivo Marek and Wilhelm Niethammer On the solution of singular linear systems of algebraic equations by semi-iterative methods . . . . . . . . . 265--283 Lisa Jacobsen and Haakon Waadeland Convergence acceleration of limit periodic continued fractions under asymptotic side conditions . . . . . . . 285--298 K. Ruotsalainen and W. Wendland On the boundary element method for some nonlinear boundary value problems . . . 299--314 Chérif Amrouche and Vivette Girault Une méthode d'approximation mixte des équations des fluides non newtoniens de troisi\`eme grade. (French) [Mixed approximations of the equations of non-Newtonian fluids of grade three] . . 315--349 San Zheng Qiao Hybrid algorithm for fast Toeplitz orthogonalization . . . . . . . . . . . 351--366 M. C. López de Silanes and D. Apprato Estimations de l'erreur d'approximation sur un domaine borné de ${\bf R}^n$ par ${D}^m$-splines d'interpolation et d'ajustement discr\`etes. (French) [Approximation error estimates on a bounded domain in ${\bf R}^n$ for interpolating and smoothing discrete ${D}^m$-splines ] . . . . . . . . . . . 367--376
J. C. Dunn A projected Newton method for minimization problems with nonlinear inequality constraints . . . . . . . . . 377--409 Manfred Reimer Optimal interval refinement near singularities . . . . . . . . . . . . . 411--422 Marino Zennaro Natural Runge--Kutta and projection methods . . . . . . . . . . . . . . . . 423--438 R. Vermiglio Natural continuous extensions of Runge--Kutta methods for Volterra integrodifferential equations . . . . . 439--458 Endre Süli Convergence and nonlinear stability of the Lagrange--Galerkin method for the Navier--Stokes equations . . . . . . . . 459--483 D. J. Evans and C. Li Extrapolated Gauss--Seidel 1 and SOR methods for least-squares problems . . . 485--498
J. Saranen The convergence of even degree spline collocation solution for potential problems in smooth domains of the plane 499--512 Rolf Stenberg A family of mixed finite elements for the elasticity problem . . . . . . . . . 513--538 W. L. Wendland and De-hao Yu Adaptive boundary element methods for strongly elliptic integral equations . . 539--558 Timo Eirola and Olavi Nevanlinna What do multistep methods approximate? 559--569 Gene H. Golub and Michael L. Overton The Convergence of Inexact Chebyshev and Richardson Iterative Methods for Solving Linear Systems . . . . . . . . . . . . . 571--593 A. De Matteis and S. Pagnutti Parallelization of random number generators and long-range correlations 595--608 Erich Novak Stochastic properties of quadrature formulas . . . . . . . . . . . . . . . . 609--620
U. Kirchgraber An ODE-solver based on the method of averaging . . . . . . . . . . . . . . . 621--652 W. Burmeister and Jochen W. Schmidt On the $R$-order of coupled sequences arising in single-step type methods . . 653--661 Arnold Reusken Convergence of the multilevel full approximation scheme including the ${V}$-cycle . . . . . . . . . . . . . . 663--686 B. D. Reddy Convergence of mixed finite element approximations for the shallow arch problem . . . . . . . . . . . . . . . . 687--699 Jean-Pierre Hennart and Jérôme Jaffre and Jean Elizabeth Roberts A constructive method for deriving finite elements of nodal type . . . . . 701--738 G. Monegato and V. Colombo Erratum: ``Product integration for the linear transport equation in slab geometry'' [Numer. Math. \bf 52 (1988), no. 2, 219--240 and MR 88k:65133] . . . 739--739
John Todd The many limits of mixed means. II. The Carlson sequences . . . . . . . . . . . 1--18 Åke Björck A direct method for sparse least squares problems with lower and upper bounds . . 19--32 D. S. Lubinsky Power series equivalent to rational functions: a shifting-origin Kronecker type theorem, and normality of Padé tables . . . . . . . . . . . . . . . . . 33--39 Ian H. Sloan A quadrature-based approach to improving the collocation method . . . . . . . . . 41--56 R. H. Chan Iterative methods for overflow queuing models. II . . . . . . . . . . . . . . . 57--78 Michael Hanke On a least-squares collocation method for linear differential-algebraic equations . . . . . . . . . . . . . . . 79--90 Eberhard Schock Pointwise rational approximation and iterative methods for ill-posed problems 91--103 Andreas Frommer A unified approach to methods for the simultaneous computation of all zeros of generalized polynomials . . . . . . . . 105--116
Ned Anderson Minimum relative error approximations for $ 1 / t $ . . . . . . . . . . . . . 117--124 Klaus Menke Point systems with extremal properties and conformal mapping . . . . . . . . . 125--143 G. Schmidt and H. Strese The convergence of a direct BEM for the plane mixed boundary value problem of the Laplacian . . . . . . . . . . . . . 145--165 D. Bshouty and N. Hengartner and W. Hengartner A constructive method for starlike harmonic mappings . . . . . . . . . . . 167--178 N. S. Sapidis and P. D. Kaklis and T. A. Loukakis A method for computing the tension parameters in convexity-preserving spline-in-tension interpolation . . . . 179--192 G. Giunta and G. Laccetti and M. R. Rizzardi More on the Weeks method for the numerical inversion of the Laplace transform . . . . . . . . . . . . . . . 193--200 Georg Still Computable bounds for eigenvalues and eigenfunctions of elliptic differential operators . . . . . . . . . . . . . . . 201--223 Bernd Fischer and Lothar Reichel A stable Richardson iteration method for complex linear systems . . . . . . . . . 225--242
Ricardo H. Nochetto Sharp $L^\infty$-error estimates for semilinear elliptic problems with free boundaries . . . . . . . . . . . . . . . 243--255 M. Calvo and T. Grande On the asymptotic stability of $\theta$-methods for delay differential equations . . . . . . . . . . . . . . . 257--269 V. I. Oliker and L. D. Prussner On the numerical solution of the equation $(\partial^2z/\partial x^2)(\partial^2z/\partial y^2)-((\partial^2z/\partial x\partial y))^2=f$ and its discretizations. I . . 271--293 K. Ruotsalainen and J. Saranen On the convergence of the Galerkin method for nonsmooth solutions of integral equations . . . . . . . . . . . 295--302 Walter Zulehner On the solutions to polynomial systems obtained by homotopy methods . . . . . . 303--317 Nira Dyn and Charles A. Micchelli Piecewise polynomial spaces and geometric continuity of curves . . . . . 319--337 Martin Costabel and Ernst P. Stephan Duality estimates for the numerical solution of integral equations . . . . . 339--353 U. M. Ascher and R. M. M. Mattheij General framework, stability and error analysis for numerical stiff boundary value methods . . . . . . . . . . . . . 355--372
S.-S. Chow Finite element error estimates for non-linear elliptic equations of monotone type . . . . . . . . . . . . . 373--393 Bo\vsko S. Jovanovi\'c On the convergence of finite-difference schemes for parabolic equations with variable coefficients . . . . . . . . . 395--404 K. Ito and F. Kappel Approximation of infinite delay and Volterra type equations . . . . . . . . 405--444 G. Criscuolo and G. Mastroianni On the uniform convergence of Gaussian quadrature rules for Cauchy principal value integrals . . . . . . . . . . . . 445--461 W. Hackbusch and Z. P. Nowak On the fast matrix multiplication in the boundary element method by panel clustering . . . . . . . . . . . . . . . 463--491
David S. Gilliam and John R. Lund and Clyde F. Martin A discrete sampling inversion scheme for the heat equation . . . . . . . . . . . 493--506 Michael Krätzschmar A decomposition-dualization approach for solving constrained convex minimization problems with applications to discretized obstacle problems . . . . . 507--531 Manfred Dobrowolski A discrete solenoidal finite difference scheme for the numerical approximation of incompressible flows . . . . . . . . 533--542 G. Wittum Multi-grid methods for Stokes and Navier--Stokes equations. Transforming smoothers: algorithms and numerical results . . . . . . . . . . . . . . . . 543--563 Claude Brezinski Contraction properties of sequence transformations . . . . . . . . . . . . 565--574 C. M. Elliott and D. A. French and F. A. Milner A second order splitting method for the Cahn--Hilliard equation . . . . . . . . 575--590 T. J. Dekker and W. Hoffmann Rehabilitation of the Gauss--Jordan Algorithm . . . . . . . . . . . . . . . 591--599
Ricardo H. Nochetto Pointwise accuracy of a finite element method for nonlinear variational inequalities . . . . . . . . . . . . . . 601--618 Wilhelm Heinrichs Konvergenzaussagen für Kollokationsverfahren bei elliptischen Randwertaufgaben. (German) [Convergence of the collocation method for elliptic boundary value problems] . . . . . . . . 619--637 Peter \vZit\vnan An a posteriori error estimation of the Rayleigh--Ritz eigenvalues . . . . . . . 639--654 J. C. Guillot and P. Joly Approximation by finite differences of the propagation of acoustic waves in stratified media . . . . . . . . . . . . 655--702 Jean-Paul Berrut Barycentric formulae for cardinal (SINC-) interpolants . . . . . . . . . . 703--718 Harry Yserentant Preconditioning indefinite discretization matrices . . . . . . . . 719--734
Néstor E. Aguilera Numerical analysis of cavitational flow-theory . . . . . . . . . . . . . . 1--32 Enrique Fernández Cara and Mercedes Marín Beltrán The convergence of two numerical schemes for the Navier--Stokes equations . . . . 33--60 Lori Badea A generalization of the Schwarz alternating method to an arbitrary number of subdomains . . . . . . . . . . 61--81 Angelika Bunse-Gerstner and Ralph Byers and Volker Mehrmann A quaternion $QR$ algorithm . . . . . . 83--95 I. Babu\vska and Manil Suri The treatment of nonhomogeneous Dirichlet boundary conditions by the $p$-version of the finite element method 97--121
Christoph Börgers The Neumann--Dirichlet domain decomposition method with inexact solvers on the subdomains . . . . . . . 123--136 Yosihiko Ogata A Monte Carlo method for high-dimensional integration . . . . . . 137--157 C. T. Kelley and E. W. Sachs A pointwise quasi-Newton method for unconstrained optimal control problems 159--176 Dominique Blanchard and Patrick Le Tallec and Michel Ravachol Numerical analysis of evolution problems in nonlinear small strains elastoviscoplasticity . . . . . . . . . 177--195 C. Lubich Linearly implicit extrapolation methods for differential-algebraic systems . . . 197--211 H. W. J. Lenferink Contractivity preserving explicit linear multistep methods . . . . . . . . . . . 213--223 W. Hackbusch and A. Reusken Analysis of a damped nonlinear multilevel method . . . . . . . . . . . 225--246
D. S. Lubinsky On uniform convergence of rational, Newton--Padé interpolants of type $(n,n)$ with free poles as $n\to\infty$ . . . . 247--264 T. Y. Li and N. H. Rhee Homotopy algorithm for symmetric eigenvalue problems . . . . . . . . . . 265--280 Christopher Baltus and William B. Jones Truncation error bounds for modified continued fractions with applications to special functions . . . . . . . . . . . 281--307 R. Verfürth A posteriori error estimators for the Stokes equations . . . . . . . . . . . . 309--325 Q. Zheng Über die Existenz von unendlich vielen periodischen Lösungen einer einfachen Temperaturregelung. (German) [On the existence of an infinite number of periodic solutions for a simple temperature control] . . . . . . . . . . 327--341 Alexander \vZení\vsek Finite element variational crimes in parabolic-elliptic problems. I. Nonlinear schemes . . . . . . . . . . . 343--376
Jorge J. Moré and Gerardo Toraldo Algorithms for bound constrained quadratic programming problems . . . . . 377--400 Junping Wang Asymptotic expansions and $L^\infty$-error estimates for mixed finite element methods for second order elliptic problems . . . . . . . . . . . 401--430 Sabine Van Huffel and Joos Vandewalle Algebraic connections between the least squares and total least squares problems 431--449 Reinhard Fößmeier On Richardson extrapolation for finite difference methods on regular grids . . 451--462 P. Charrier and J. Roman Algorithmique et calculs de complexité pour un solveur de type dissections emboî tées. (French) [Algorithmic study and complexity bounds for a nested dissection solver] . . . . . . . . . . . 463--476 Guido Walz A contour integral representation of linear extrapolation methods . . . . . . 477--480 Siegfried Graf and Erich Novak and Anargyros Papageorgiou Bisection is not optimal on the average 481--491
Manabu Sakai and Riaz A. Usmani A class of simple exponential ${B}$-splines and their application to numerical solution to singular perturbation problems . . . . . . . . . 493--500 Alex Pothen Sparse null basis computations in structural optimization . . . . . . . . 501--519 Martin Stynes and Eugene O'Riordan Uniformly convergent difference schemes for singularly perturbed parabolic diffusion-convection problems without turning points . . . . . . . . . . . . . 521--544 P. Rentrop and M. Roche and G. Steinebach The application of Rosenbrock-Wanner type methods with stepsize control in differential-algebraic equations . . . . 545--563 Luis M. Floría and Robert B. Griffiths Numerical procedure for solving a minimization eigenvalue problem . . . . 565--574 L. D. Marini and A. Quarteroni A relaxation procedure for domain decomposition methods using finite elements . . . . . . . . . . . . . . . . 575--598 P. Degond and B. Niclot Numerical analysis of the weighted particle method applied to the semiconductor Boltzmann equation . . . . 599--618
Joseph W. Jerome Newton's method for gradient equations based upon the fixed point map: convergence and complexity study . . . . 619--632 Mary E. Morley A family of mixed finite elements for linear elasticity . . . . . . . . . . . 633--666 Mario Arioli and Iain S. Duff and Peter P. M. de Rijk On the Augmented System Approach to Sparse Least-Squares Problems . . . . . 667--684 Marcin Studniarski An algorithm for calculating one subgradient of a convex function of two variables . . . . . . . . . . . . . . . 685--693 K.-H. Hoffmann and G. H. Meyer A least squares method for finding the Preisach hysteresis operator from measurements . . . . . . . . . . . . . . 695--710 L. Jacobsen and W. J. Thron and H. Waadeland Some observations on the distribution of values of continued fractions . . . . . 711--733 Ronald Cools and Ann Haegemans On the construction of multi-dimensional embedded cubature formulae . . . . . . . 735--745 Jean-Paul Berrut Erratum: ``Barycentric formulae for cardinal (SINC-)interpolants'' . . . . . 747--747
Didier A. Girard A fast ``Monte Carlo cross-validation'' procedure for large least squares problems with noisy data . . . . . . . . 1--23 Wilhelm Heinrichs Spectral methods with sparse matrices 25--41 Patrick Le Tallec and Michel Ravachol Finite element approximation of viscoelastic progressively incompressible flows . . . . . . . . . . 43--66 S. G. Gal A construction of monotonically convergent sequences from successive approximations in certain Banach spaces 67--71 K. Vince Fernando Linear convergence of the row cyclic Jacobi and Kogbetliantz methods . . . . 73--91 Pablo V. Negrón-Marrero and Carlos Carbonera The numerical computation of compressed states of nonlinearly elastic anisotropic plates . . . . . . . . . . . 93--107
Xiezhang Li and Richard S. Varga A note on the SSOR and USSOR iterative methods applied to $p$-cyclic matrices 109--121 Garry Rodrigue and LiShan Kang and Yu-Hui Liu Convergence and comparison analysis of some numerical Schwarz methods . . . . . 123--138 Michael Eiermann On semiiterative methods generated by Faber polynomials . . . . . . . . . . . 139--156 O. Axelsson and P. S. Vassilevski Algebraic multilevel preconditioning methods. I . . . . . . . . . . . . . . . 157--177 Martin H. Gutknecht Stationary and almost stationary iterative $(k,l)$-step methods for linear and nonlinear systems of equations . . . . . . . . . . . . . . . 179--213 Lothar Reichel The ordering of tridiagonal matrices in the cyclic reduction method for Poisson's equation . . . . . . . . . . . 215--227 Wolfgang Hackbusch The frequency decomposition multi-grid method. I. Application to anisotropic equations . . . . . . . . . . . . . . . 229--245 Wilhelm Niethammer The SOR method on parallel computers . . 247--254 Andreas Frommer and Günter Mayer Parallel interval multisplittings . . . 255--267 Andreas Frommer Parallel nonlinear multisplitting methods . . . . . . . . . . . . . . . . 269--282 Ludwig Elsner Comparisons of weak regular splittings and multisplitting methods . . . . . . . 283--289 Rudolf Wegmann Conformal mapping by the method of alternating projections . . . . . . . . 291--307
Feng Gao A probabilistic theory for error estimation in automatic integration . . 309--329 Georgi R. Grozev Comparison theorems for $L$-monosplines of minimal norm . . . . . . . . . . . . 331--343 Manfred Reimer Cardinal Hermite-spline-interpolation on the equidistant lattice . . . . . . . . 345--357 B. Büttgenbach and R. J. Nessel and E. van Wickeren Sharp estimates in terms of moduli of smoothness for compound cubature rules 359--369 Alfred K. Louis and Andreas Rieder Incomplete data problems in X-ray computerized tomography. II.\ Truncated projections and region-of-interest tomography . . . . . . . . . . . . . . . 371--383 Jukka Saranen Extrapolation methods for spline collocation solutions of pseudodifferential equations on curves 385--407
J.-P. Kauthen Continuous time collocation methods for Volterra--Fredholm integral equations 409--424 Harald Berger A convergent finite element formulation for transonic flow . . . . . . . . . . . 425--447 M. C. López de Silanes and R. Arcangéli Estimations de l'erreur d'approximation par splines d'interpolation et d'ajustement d'ordre $(m,s)$. (French) [Approximation error estimates for interpolating and smoothing $(m,s)$-splines] . . . . . . . . . . . . 449--467 W. Auzinger and R. Frank Asymptotic error expansions for stiff equations: an analysis for the implicit midpoint and trapezoidal rules in the strongly stiff case . . . . . . . . . . 469--499 Paul Levrie Improving a method for computing nondominant solutions of certain second-order recurrence relations of Poincaré-type . . . . . . . . . . . . . . 501--512 Gabriele Steidl and Manfred Tasche Index transforms for multidimensional DFTs and convolutions . . . . . . . . . 513--528
Anne Greenbaum and Congming Li and Han Zheng Chao Comparison of linear system solvers applied to diffusion-type finite element equations . . . . . . . . . . . . . . . 529--546 Martin H. Gutknecht Continued fractions associated with the Newton--Padé table . . . . . . . . . . . 547--589 O. Knoth A globalization scheme for the generalized Gauss--Newton method . . . . 591--607 Jürgen Eichenauer-Herrmann and Holger Grothe A remark on long-range correlations in multiplicative congruential pseudo random number generators . . . . . . . . 609--611 Shangyou Zhang An optimal order multigrid method for biharmonic, $C^1$ finite element equations . . . . . . . . . . . . . . . 613--624 A. Deif A relative backward perturbation theorem for the eigenvalue problem . . . . . . . 625--626 K. Veseli\'c and V. Hari A Note on a One-Sided Jacobi Algorithm 627--633
Daniel J. Pierce and Apostolos Hadjidimos and Robert J. Plemmons Optimality relationships for $p$-cyclic SOR . . . . . . . . . . . . . . . . . . 635--643 Randolph E. Bank and Bruno D. Welfert and Harry Yserentant A class of iterative methods for solving saddle point problems . . . . . . . . . 645--666 P. E. Kloeden and J. Lorenz A note on multistep methods and attracting sets of dynamical systems . . 667--673 Dragoslav Herceg Uniform fourth order difference scheme for a singular perturbation problem . . 675--693 Willem H. Hundsdorfer and Josef Schneid An algebraic characterization of ${B}$-convergent Runge--Kutta methods 695--705 Koichi Niijima Pointwise error estimates for a streamline diffusion finite element scheme . . . . . . . . . . . . . . . . . 707--719 Diem Ho Tchebychev acceleration technique for large scale nonsymmetric matrices . . . 721--734
Uday Banerjee and John E. Osborn Estimation of the Effect of Numerical Integration in Finite Element Eigenvalue Approximation . . . . . . . . . . . . . 735--762 Santo Motta and Giovanni Russo and Hardy Moock and Joachim Wick Point Approximation of a Space-Homogeneous Transport Equation . . 763--774 G. Monegato and P. Lepora On the Numerical Resolution of the Generalized Airfoil Equation with Possion Kernel . . . . . . . . . . . . . 775--787 Kelly M. McArthur and Kenneth L. Bowers and John Lund The Sinc method in multiple space dimensions: model problems . . . . . . . 789--816 Borislav Bojanov and Daren Huang Comparison of Optimal Quadrature Formulas . . . . . . . . . . . . . . . . 817--825 Rolf Stenberg Some New Families of Finite Elements for the Stokes Equations . . . . . . . . . . 827--838
Zbigniew Leyk Galerkin Method and Optimal Error Algorithms in Hilbert Spaces . . . . . . 1--14 Gabriel Wittum On the convergence of multi-grid methods with transforming smoothers --- theory with applications to the Navier--Stokes equations . . . . . . . . . . . . . . . 15--38 M. Calvo and T. Grande and Rolf Dieter Grigorieff On the Zero Stability of the Variable Order Variable Stepsize BDF-Formulas . . 39--50 Jürg T. Marti Small potential corrections for the discrete Eigenvalues of the Sturm--Liouville problem . . . . . . . . 51--62 R. Plato and G. Vainikko On the regularization of projection methods for solving ill-posed problems 63--79 Martin Smoch Anmerkungen zu einem Mehrgitterverfahren für lineare Komplementaritätsprobleme. (German) [Remarks on a multigrid method for linear complementarity problems] . . 80--83 Martin Hanke and Michael Neumann Preconditionings and Splittings for Rectangular Systems . . . . . . . . . . 85--95 Catterina Dagnino Product Integration of Singular Integrands Based on Cubic Spline Interpolation at Equally Spaced Nodes 97--104
Charles K. Chui and Harvey Diamond A Characterization of Multivariate Quasi-interpolation Formulas and its Applications . . . . . . . . . . . . . . 105--121 Qazi I. Rahman and Gerhard Schmeisser Characterization of the Speed of Convergence of the Trapezoidal Rule . . 123--138 A. G. Ramm and A. van der Sluis Calculating singular integrals as an ill-posed problem . . . . . . . . . . . 139--145 Olavi Nevanlinna Linear acceleration of Picard--Lindelöf iteration . . . . . . . . . . . . . . . 147--156 J. G. Verwer and W. H. Hundsdorfer and B. P. Sommeijer Convergence Properties of the Runge--Kutta--Chebyshev Method . . . . . 157--178 G. Choudury Fully Discrete Galerkin Approximations of Parabolic Boundary-Value Problems with Nonsmooth Boundary Data . . . . . . 179--203
M. Marion and R. Temam Nonlinear Galerkin Methods: The Finite Elements Case . . . . . . . . . . . . . 205--226 Ziping Huang A Multi-Grid Algorithm for Mixed Problems with Penalty . . . . . . . . . 227--247 K. Dekker and J. F. B. M. Kraaijevanger and J. Schneid On the relation between algebraic stability and $B$-convergence for Runge--Kutta methods . . . . . . . . . . 249--262 Bernard Bialecki A Sinc Quadrature Rule for Hadamard Finite-part Integrals . . . . . . . . . 263--269 Sotirios E. Notaris The error norm of Gaussian quadrature formulae for weight functions of Bernstein--Szeg\Ho type . . . . . . . . 271--283 Roland Freund On Conjugate Gradient Type Methods and Polynominal Preconditioners for a Class of Complex Non-Hermitian Matrices . . . 285--312
Lakshman S. Thakur A Direct Algorithm for Optimal Quadratic Splines . . . . . . . . . . . . . . . . 313--332 Jochen W. Schmidt and Isa Scholz A dual algorithm for convex-concave data smoothing by cubic ${C}^2$-splines . . . 333--350 Robert M. Shanahan and John W. Barrett Total Flux Estimates for a Finite Element Approximation of the Dirichlet Problem Using the Boundary Penalty Method . . . . . . . . . . . . . . . . . 351--363 Avram Sidi On a Generalization of the Richardson Extrapolation Process . . . . . . . . . 365--377 T. von Petersdorff and E. P. Stephan On the Convergence of the Multigrid Method for a Hypersingular Integral Equation of the First Kind . . . . . . . 379--391 Rainer Garus and Tassilo Küpper Computation of the smallest positive eigenvalue of a quadratic $\lambda$-matrix . . . . . . . . . . . . 393--403 Yiannis G. Saridakis Domains of divergence of the USSOR method applied on $p$-cyclic matrices 405--412 Likang Li Discretization of the Timoshenko beam problem by the $p$ and the $h$-$p$ versions of the finite element method 413--420
K. Sikorski and G. M. Trojan Asymptotic Near Optimality of the Bisection Method . . . . . . . . . . . . 421--433 Christoph Börgers Domain Imbedding Methods for the Stokes Equations . . . . . . . . . . . . . . . 435--451 C. Vuik An $L^2$-error estimate for an approximation of the solution of a parabolic variational inequality . . . . 453--471 Tibor Fiala On the Monotonity of Incomplete Factorization . . . . . . . . . . . . . 473--479 P. Trouvé Sur la convergence des méthodes d'éléments finis nonconformes pour des probl\`emes linéaires de coques minces. (French) [On the convergence of nonconformal finite-element methods for linear thin-shell problems] . . . . . . . . . . 481--524
Garrett Birkhoff and Robert E. Lynch Some Current Questions on Solving Linear Elliptic Problems . . . . . . . . . . . 527--545 P. G. Ciarlet A New Class of Variational Problems Arising in the Modeling of Elastic Multi-Structures . . . . . . . . . . . . 547--560 Thomas Kerkhoven and Joseph W. Jerome $L_\infty$ stability of finite element approximations to elliptic gradient equations . . . . . . . . . . . . . . . 561--575 Antonio Córdova and Walter Gautschi and Stephan Ruscheweyh Vandermonde matrices on the circle: spectral properties and conditioning . . 577--591 Michael Eiermann and Wilhelm Niethammer and Arden Ruttan Optimal successive overrelaxation iterative methods for $P$-cyclic matrices . . . . . . . . . . . . . . . . 593--606 Gene H. Golub and Martin H. Gutknecht Modified Moments for Indefinite Weight Functions . . . . . . . . . . . . . . . 607--624 Douglas James and Robert J. Plemmons An Iterative Substructuring Algorithm for Equilibrium Equations . . . . . . . 625--633 M. R. Akhlaghi and A. Jakimovski and A. Sharma Equiconvergence of some complex interpolatory polynomials . . . . . . . 635--649 Peter Alfeld and Larry L. Schumaker On the dimension of bivariate spline spaces of smoothness $r$ and degree $d=3r+1$ . . . . . . . . . . . . . . . . 651--661 H. Berens and M. Finzel A Continuous Selection of the Metric Projection in Matrix Spaces, Addendum 663--667 G. G. Lorentz and R. A. Lorentz Bivariate Hermite Interpolation and Applications to Algebraic Geometry . . . 669--680 Patrick J. Rabier and Werner C. Rheinboldt On a Computational Method for the Second Fundamental Tensor and its Application to Bifurcation Problems . . . . . . . . 681--694
W. B. Gragg and L. Reichel A Divide and Conquer Method for Unitary and Orthogonal Eigenproblems . . . . . . 695--718 Lothar Reichel Fast Solution Methods for Fredholm Integral Equations of the Second Kind 719--736 John Todd The Weierstrass mean. I. The periods of $\wp (z\vert e_1,e_2,e_3)$ . . . . . . . 737--746 D. Braess and C. Blömer A Multigrid Method for a Parameter Dependent Problem in Solid Mechanics . . 747--761 Klaus-Jürgen Förster and Knut Petras On a problem proposed by H. Braß concerning the remainder term in quadrature for convex functions . . . . 763--777 Ivar Lie The Stability Function for Multistep Collocation Methods . . . . . . . . . . 779--787 W. A. Light The Chebyshev Solution of Certain Matrix Equations . . . . . . . . . . . . . . . 789--803 G. H. Cottet and S. Mas-Gallic A Particle Method to Solve the Navier--Stokes System . . . . . . . . . 805--827
Nira Dyn and Charles A. Micchelli Interpolation by sums of radial functions . . . . . . . . . . . . . . . 1--9 Frédéric Bourquin Analysis and comparison of several component mode synthesis methods on one-dimensional domains . . . . . . . . 11--33 Jacques Baranger and Khalid Najib Analyse numérique des écoulements quasi-newtoniens dont la viscosité obéit \`a la loi puissance ou la loi de carreau. (French) [Numerical analysis of quasi-Newtonian flow obeying the power law or the Carreau law] . . . . . . . . 35--49 Alexander \vZení\vsek The finite element method for nonlinear elliptic equations with discontinuous coefficients . . . . . . . . . . . . . . 51--77 Jan Mandel On block diagonal and Schur complement preconditioning . . . . . . . . . . . . 79--93 A. K. Aziz and R. Lemmert and M. Schneider A finite element method for the nonlinear Tricomi problem . . . . . . . 95--108 G. Heinig and P. Jankowski Parallel and superfast algorithms for Hankel systems of equations . . . . . . 109--127 Bertolt Eicke and Alfred K. Louis and Robert Plato The instability of some gradient methods for ill-posed problems . . . . . . . . . 129--134
Pablo V. Negrón Marrero A numerical method for detecting singular minimizers of multidimensional problems in nonlinear elasticity . . . . 135--144 Rainer Kress A Nyström method for boundary integral equations in domains with corners . . . 145--161 Harry Yserentant Two preconditioners based on the multi-level splitting of finite element spaces . . . . . . . . . . . . . . . . . 163--184 Randolph E. Bank and Josef F. Bürgler and Wolfgang Fichtner and R. Kent Smith Some upwinding techniques for finite element approximations of convection-diffusion equations . . . . . 185--202 W. Dörfler The conditioning of the stiffness matrix for certain elements approximating the incompressibility condition in fluid dynamics . . . . . . . . . . . . . . . . 203--214 T. Ortega and J. M. Sanz-Serna Nonlinear stability and convergence of finite-difference methods for the ``good'' Boussinesq equation . . . . . . 215--229 K. Dekker and J. F. B. M. Kraaijevanger and J. Schneid Erratum: ``On the relation between algebraic stability and $B$-convergence for Runge--Kutta methods'' . . . . . . . 230--230
A. Pitonyak and P. Shi and M. Shillor On an iterative method for variational inequalities . . . . . . . . . . . . . . 231--242 E. Hairer and A. Iserles and J. M. Sanz-Serna Equilibria of Runge--Kutta methods . . . 243--254 W. Kratz and A. Peyerimhoff A numerical algorithm for the Stokes problem based on an integral equation for the pressure via conformal mappings 255--272 Franz Peherstorfer Gauss-Tchebycheff quadrature formulas 273--286 Ricardo Durán Superconvergence for rectangular mixed finite elements . . . . . . . . . . . . 287--298 David Stewart A high accuracy method for solving ODEs with discontinuous right-hand side . . . 299--328 Ana C. Matos Acceleration methods based on convergence tests . . . . . . . . . . . 329--340
Steve Batterson Convergence of the shifted $QR$ algorithm on $3 \times 3$ normal matrices . . . . . . . . . . . . . . . . 341--352 W. Govaerts Bordered augmented linear systems in numerical continuation and bifurcation 353--368 K. H. Schild Gaussian collocation via defect correction . . . . . . . . . . . . . . . 369--386 Ivo Marek and Daniel B. Szyld Comparison theorems for weak splittings of bounded operators . . . . . . . . . . 387--397 Daniele Funaro and Wilhelm Heinrichs Some results about the pseudospectral approximation of one-dimensional fourth-order problems . . . . . . . . . 399--418 E. Hairer and A. Ostermann Dense output for extrapolation methods 419--439 G. Sacchi Landriani and H. Vandeven A multidomain spectral collocation method for the Stokes problem . . . . . 441--464
P. P. B. Eggermont and J. Saranen $L^p$ estimates of boundary integral equations for some nonlinear boundary value problems . . . . . . . . . . . . . 465--478 Olavi Nevanlinna Power bounded prolongations and Picard--Lindelöf iteration . . . . . . . 479--501 Jean Thomann Resommation des series formelles. Solutions d'équations différentielles linéaires ordinaires du second ordre dans le champ complexe au voisinage de singularités irréguli\`eres. (French) [Resummation of formal power series. Solutions of second-order linear complex ordinary differential equations near irregular singularities] . . . . . . . . 503--535 G. A. Chandler and I. H. Sloan Spline qualocation methods for boundary integral equations . . . . . . . . . . . 537--567
Charles K. Chui and Harvey Diamond A General framework for local interpolation . . . . . . . . . . . . . 569--581 Jesse L. Barlow Error Analysis of a Pairwise Summation Algorithm to Compute the Sample Variance 583--590 Sherman Riemenschneider and Karl Scherer Cardinal Hermite interpolation with box splines. II . . . . . . . . . . . . . . 591--602 G. Dziuk An algorithm for evolutionary surfaces 603--611 D. R. Sweet Fast block Toeplitz orthogonalization 613--629 Lin Qun Fourth order eigenvalue approximation by extrapolation on domains with reentrant corners . . . . . . . . . . . . . . . . 631--640 J. W. Helton and P. G. Spain and N. J. Young Tracking poles and representing Hankel operators directly from data . . . . . . 641--660 H. J. J. te Riele A new lower bound for the de Bruijn-Newman constant . . . . . . . . . 661--667
Alexander P. Morgan and Andrew J. Sommese and Charles W. Wampler Computing singular solutions to non-linear analytic systems . . . . . . 669--684 Paul J. Lanzkron and Donald J. Rose and Daniel B. Szyld Convergence of nested classical iterative methods for linear systems . . 685--702 G. W. Stewart and G. Zhang Eigenvalues of Graded Matrices and the Condition Numbers of a Multiple Eigenvalue . . . . . . . . . . . . . . . 703--712 Zhiqiang Cai On the finite volume element method . . 713--735 S. Saha and Purna C. Das and N. N. Kishore A shape-optimization technique for the capillary surface problem . . . . . . . 737--757 Marek Niezgódka and Jürgen Sprekels Convergent numerical approximations of the thermomechanical phase transitions in shape memory alloys . . . . . . . . . 759--778
Gautam M. Shroff A parallel algorithm for the eigenvalues and eigenvectors of a general complex matrix . . . . . . . . . . . . . . . . . 779--805 Annuntiato Begumisa and Ian Robinson Suboptimal Kronrod extension formulae for numerical quadrature . . . . . . . . 807--818 Arnold Reusken Steplength optimization and linear multigrid methods . . . . . . . . . . . 819--838 C. Lubich On the convergence of multistep methods for nonlinear stiff differential equations . . . . . . . . . . . . . . . 839--853 R. Schneider Stability of a spline collocation method for strongly elliptic multidimensional singular integral equations . . . . . . 855--873 Andreas Rieder The wavelet transform on Sobolev spaces and its approximation properties . . . . 875--894
G. W. Stewart and G. Zhang On a Direct Method for the Solution of Nearly Uncoupled Markov Chains . . . . . 1--11 Lutz Tobiska and Gert Lube A modified streamline diffusion method for solving the stationary Navier--Stokes equation . . . . . . . . 13--29 Georgios D. Akrivis and Vassilios A. Dougalis and Ohannes A. Karakashian On fully discrete Galerkin methods of second-order temporal accuracy for the nonlinear Schrödinger equation . . . . . 31--53 C. Führer and B. J. Leimkuhler Numerical solution of differential-algebraic equations for constrained mechanical motion . . . . . 55--69 Genevi\`eve Amiez and Pierre-Alain Gremaud On a numerical approach to Stefan-like problems . . . . . . . . . . . . . . . . 71--89 L. Elsner and I. Koltracht and P. Lancaster Convergence properties of ART and SOR algorithms . . . . . . . . . . . . . . . 91--106
Ricardo Durán and María Amelia Muschietti and Rodolfo Rodríguez On the asymptotic exactness of error estimators for linear triangular finite elements . . . . . . . . . . . . . . . . 107--127 J. F. B. M. Kraaijevanger and J. Schneid On the unique solvability of the Runge--Kutta equations . . . . . . . . . 129--157 Igor Moret and Pierpaolo Omari A quasi-Newton method for solving fixed point problems in Hilbert spaces . . . . 159--177 Fernando Reitich Singular solutions of a transmission problem in plane linear elasticity for wedge-shaped regions . . . . . . . . . . 179--216
John W. Barrett and Robert M. Shanahan Finite element approximation of a model reaction-diffusion problem with a non-Lipschitz nonlinearity . . . . . . . 217--242 G. Vanden Berghe and H. De Meyer Accurate computation of higher Sturm--Liouville eigenvalues . . . . . . 243--254 Min Chen and Roger Temam Incremental unknowns for solving partial differential equations . . . . . . . . . 255--271 Miguel A. Hernández Verón A note on Halley's method . . . . . . . 273--276 A. K. Louis and P. Maaß Smoothed projection methods for the moment problem . . . . . . . . . . . . . 277--294 Yves Nievergelt Aitken's and Steffensen's accelerations in several variables . . . . . . . . . . 295--310 Lucio Torelli A sufficient condition for GPN-stability for delay differential equations . . . . 311--320
E. F. D'Azevedo and R. B. Simpson On optimal triangular meshes for minimizing the gradient error . . . . . 321--348 C. Carstensen Inclusion of the roots of a polynomial based on Gerschgorin's theorem . . . . . 349--360 D. S. Gilliam and J. R. Lund and C. F. Martin Inverse parabolic problems and discrete orthogonality . . . . . . . . . . . . . 361--383 Anca Radoslovescu C\uap\ua\ct\^\in\ua and M. Cocu Internal approximation of quasi-variational inequalities . . . . . 385--398 Y. Tourigny and E. Süli The finite element method with nodes moving along the characteristics for convection-diffusion equations . . . . . 399--412
Bernard Bialecki An alternating direction implicit method for orthogonal spline collocation linear systems . . . . . . . . . . . . . . . . 413--429 R. E. Ewing and R. D. Lazarov and P. S. Vassilevski Local refinement techniques for elliptic problems on cell-centered grids. III. Algebraic multilevel BEPS preconditioners . . . . . . . . . . . . 431--452 Markus Hegland On the parallel solution of tridiagonal systems by wrap-around partitioning and incomplete ${LU}$ factorization . . . . 453--472 K. Kunisch and G. Peichl Estimation of a temporally and spatially varying diffusion coefficient in a parabolic system by an augmented Lagrangian technique . . . . . . . . . . 473--509 Petra Peisker A multigrid method for Reissner--Mindlin plates . . . . . . . . . . . . . . . . . 511--528 Guido Walz Asymptotic expansions and acceleration of convergence for higher order iteration processes . . . . . . . . . . 529--540
Ludwig Elsner and Volker Mehrmann Convergence of block iterative methods for linear systems arising in the numerical solution of Euler equations 541--559 Gene H. Golub and Urs von Matt Quadratically Constrained Least Squares and Quadratic Problems . . . . . . . . . 561--580 Soren Jensen On computing the pressure by the $p$ version of the finite element method for Stokes problem . . . . . . . . . . . . . 581--601 Ji-guang Sun Eigenvalues of Rayleigh quotient matrices . . . . . . . . . . . . . . . . 603--614 R. Verfürth Finite element approximation of incompressible Navier--Stokes equations with slip boundary condition. II . . . . 615--636
Leonhard Bittner A numerical sampling problem and the Weyl pseudorandom numbers . . . . . . . 637--645 Á. Elbert An approximation for the zeros of Bessel functions . . . . . . . . . . . . . . . 647--657 Joseph Hersch and William Sawyer Numerical implementation of coherence for the example of the ``Swiss cross'' 659--665 Ulrich Mertins Zur Konvergenz des Rayleigh--Ritz-Verfahrens bei Eigenwertaufgaben. (German) [On the convergence of the Rayleigh--Ritz method for eigenvalue problems] . . . . . . . . 667--682 Rita Meyer-Spasche and Bengt Fornberg Discretization errors at free boundaries of the Grad-Schlüter-Shafranov equation 683--710 S. Prössdorf On the super-approximation property of Galerkin's method with finite elements 711--722 Karl Strehmel and Rüdiger Weiner and Mario Büttner Order results for Rosenbrock type methods on classes of stiff equations 723--737 Michael Weba Interpolation of random functions . . . 739--746
M. Chipot Numerical analysis of oscillations in nonconvex problems . . . . . . . . . . . 747--767 Ricardo Durán The inf-sup condition and error estimates for the Arnold-Falk plate bending element . . . . . . . . . . . . 769--778 L. Grippo and F. Lampariello and S. Lucidi A class of nonmonotone stabilization methods in unconstrained optimization 779--805 K. J. in 't Hout and M. N. Spijker Stability analysis of numerical methods for delay differential equations . . . . 807--814 René Lamour A well-posed shooting method for transferable DAE's . . . . . . . . . . . 815--829 A. Quarteroni and G. Sacchi Landriani and A. Valli Coupling of viscous and inviscid Stokes equations via a domain decomposition method for finite elements . . . . . . . 831--859
Angelika Bunse-Gerstner and Ralph Byers and Volker Mehrmann and Nancy K. Nichols Numerical Computation of an Analytic Singular Value Decomposition of a Matrix Valued Function . . . . . . . . . . . . 1--39 Xiao-Chuan Cai Additive Schwarz Algorithms for Parabolic Convection-Diffusion Equations 41--61 Houde Han A boundary element method for Signorini problems in three dimensions . . . . . . 63--75 Rolf Jeltsch and Peywand Kiani Stability of a family of multi-time-level difference schemes for the advection equation . . . . . . . . . 77--95 Kurt Jetter and Joachim Stöckler Algorithms for cardinal interpolation using box splines and radial basis functions . . . . . . . . . . . . . . . 97--114 Peter Kunkel and Volker Mehrmann Smooth factorizations of matrix valued functions and their derivatives . . . . 115--131 Larry L. Schumaker and Cornelis Traas Fitting scattered data on spherelike surfaces using tensor products of trigonometric and polynomial splines . . 133--144
Anders Barrlund Constrained least squares methods for linear time varying DAE systems . . . . 145--161 Rodolfo Bermejo Analysis of an algorithm for the Galerkin-characteristic method . . . . . 163--194 Giuliana Criscuolo and Giuseppe Mastroianni and Donatella Occorsio Uniform convergence of derivatives of extended Lagrange interpolation . . . . 195--218 Barry F. Smith A Domain Decomposition Algorithm for Elliptic Problems in Three Dimensions 219--234 R. Verfürth A posteriori error estimators for the Stokes equations. II. Non-conforming discretizations . . . . . . . . . . . . 235--249 Adam T. Zawilski Numerical Stability of the Cyclic Richardson Iteration . . . . . . . . . . 251--290
John W. Barrett and Roma Chakrabarti Finite element approximation of the volume-matching problem . . . . . . . . 291--313 Roland W. Freund and Noël M. Nachtigal QMR: a quasi-minimal residual method for non-Hermitian linear systems . . . . . . 315--339 Martin Hanke Accelerated Landweber iterations for the solution of ill-posed equations . . . . 341--373 Vjeran Hari On sharp quadratic convergence bounds for the serial Jacobi methods . . . . . 375--406 Willi Jäger and Jozef Ka\vcur Solution of porous medium type systems by linear approximation schemes . . . . 407--427
Mark Ainsworth and Alan Craig A posteriori error estimators in the finite element method . . . . . . . . . 429--463 J. C. Butcher and R. P. K. Chan On symmetrizers for Gauss methods . . . 465--476 Wolfgang Dahmen and Ronald A. DeVore and Charles A. Micchelli On monotone extensions of boundary data 477--492 Weimin Han Finite element analysis of a holonomic elastic-plastic problem . . . . . . . . 493--508 D. Hinrichsen and A. J. Pritchard On spectral variations under bounded real matrix perturbations . . . . . . . 509--524 T. Kerkhoven and Y. Saad On acceleration methods for coupled nonlinear elliptic systems . . . . . . . 525--548 S. L. Lee and Roger C. E. Tan and W. S. Tang $L_2$-approximation by the translates of a function and related attenuation factors . . . . . . . . . . . . . . . . 549--568
Giles Auchmuty A Posteriori Error Estimates for Linear Equations . . . . . . . . . . . . . . . 1--6 Randolph E. Bank and Mohamed Benbourenane The hierarchical basis multigrid method for convection-diffusion equations . . . 7--37 Alfredo Bermúdez and Dolores G. Pedreira Mathematical analysis of a finite element method without spurious solutions for computation of dielectric waveguides . . . . . . . . . . . . . . . 39--57 John H. Ewing and Glenn Schober The area of the Mandelbrot set . . . . . 59--72 Bingsheng He and Josef Stoer Solution of projection problems over polytopes . . . . . . . . . . . . . . . 73--90 Monga-Made Magolu Modified block-approximate factorization strategies . . . . . . . . . . . . . . . 91--110 T. M. Mills and S. J. Smith The Lebesgue constant for Lagrange interpolation on equidistant nodes . . . 111--115 Zhimin Zhang Arch beam models: finite element analysis and superconvergence . . . . . 117--143
Uday Banerjee A note on the effect of numerical quadrature in finite element eigenvalue approximation . . . . . . . . . . . . . 145--152 Xiao-Chuan Cai and William D. Gropp and David E. Keyes Convergence rate estimate for a domain decomposition method . . . . . . . . . . 153--169 Gabriel N. Gatica and George C. Hsiao On the coupled BEM and FEM for a nonlinear exterior Dirichlet problem in ${\bf R}^2$ . . . . . . . . . . . . . . 171--214 Xiaohua Hu and R. A. Nicolaides Covolume techniques for anisotropic media . . . . . . . . . . . . . . . . . 215--234 Ch. G. Makridakis On mixed finite element methods for linear elastodynamics . . . . . . . . . 235--260 Sylvia Novo and Jesús Rojo Some remarks on an ODE-solver of Kirchgraber . . . . . . . . . . . . . . 261--264 Ji-guang Sun On condition numbers of a nondefective multiple eigenvalue . . . . . . . . . . 265--275 C. Lubich Erratum: ``On the convergence of multistep methods for nonlinear stiff differential equations'' [Numer. Math. \bf 58 (1991), no. 8, 839--853 and MR 92d:65127] . . . . . . . . . . . . . . . 277--279
T. Eirola and J. M. Sanz-Serna Conservation of integrals and symplectic structure in the integration of differential equations by multistep methods . . . . . . . . . . . . . . . . 281--290 Bosco García-Archilla A supraconvergent scheme for the Korteweg--de Vries equation . . . . . . 291--310 J. Thomas King Multilevel algorithms for ill-posed problems . . . . . . . . . . . . . . . . 311--334 G. Lube Streamline diffusion finite element method for quasilinear elliptic problems 335--357 K. W. Morton and T. Murdoch and E. Süli Optimal error estimation for Petrov--Galerkin methods in two dimensions . . . . . . . . . . . . . . . 359--372 Tao Tang Superconvergence of numerical solutions to weakly singular Volterra integro-differential equations . . . . . 373--382 Frank Uhlig Are the Coefficients of a Polynomial Well-Conditioned Functions of its Roots? 383--393 Pierre Verlinden and Ronald Cools On cubature formulae of degree $4k+1$ attaining Möller's lower bound for integrals with circular symmetry . . . . 395--407 J. A. C. Weideman The eigenvalues of Hermite and rational spectral differentiation matrices . . . 409--432
Clemens W. Brand An incomplete-factorization preconditioning using repeated red-black ordering . . . . . . . . . . . . . . . . 433--454 Martin D. Buhmann and Charles A. Micchelli Spline prewavelets for non-uniform knots 455--474 P. R. Graves-Morris Extrapolation methods for vector sequences . . . . . . . . . . . . . . . 475--487 Lisa Lorentzen Arithmetic operations with regular ${C}$-fractions . . . . . . . . . . . . 489--499 S. Miesbach and H. J. Pesch Symplectic phase flow approximation for the numerical integration of canonical systems . . . . . . . . . . . . . . . . 501--521 Juhani Pitkäranta The problem of membrane locking in finite element analysis of cylindrical shells . . . . . . . . . . . . . . . . . 523--542 S. Prössdorf and I. H. Sloan Quadrature method for singular integral equations on closed curves . . . . . . . 543--559 R. Vermiglio On the stability of Runge--Kutta methods for delay integral equations . . . . . . 561--577
Helio J. C. Barbosa and Thomas J. R. Hughes Boundary Lagrange multipliers in finite element methods: error analysis in natural norms . . . . . . . . . . . . . 1--15 Sven G. Bartels and Desmond J. Higham The Structured Sensitivity of Vandermonde-like Systems . . . . . . . . 17--33 P. P. B. Eggermont On the quadrature error in operational quadrature methods for convolutions . . 35--48 Jie Shen On error estimates of some higher order projection and penalty-projection methods for Navier--Stokes equations . . 49--73 Agn\`es Tourin A comparison theorem for a piecewise Lipschitz continuous Hamiltonian and application to shape-from-shading problems . . . . . . . . . . . . . . . . 75--85 Marc Van Barel and Adhemar Bultheel A new formal approach to the rational interpolation problem . . . . . . . . . 87--122 Mu Sheng Wei Algebraic relations between the total least squares and least squares problems with more than one solution . . . . . . 123--148
M. Fortin and Z. Mghazli Analyse d'un élément mixte pour le probl\`eme de Stokes. I. Résultats généraux. (French) [Analysis of a mixed element for the Stokes problem. I. General results] . . . . . . . . . . . . 149--160 M. Fortin and Z. Mghazli Analyse d'un élément mixte pour le probl\`eme de Stokes. II. Construction et estimations d'erreur. (French) [Analysis of a mixed element for the Stokes problem. II. Construction and error estimates] . . . . . . . . . . . . 161--188 P. Oswald On a hierarchical basis multilevel method with nonconforming ${\rm P}1$ elements . . . . . . . . . . . . . . . . 189--212 N. Papamichael and N. S. Stylianopoulos A domain decomposition method for approximating the conformal modules of long quadrilaterals . . . . . . . . . . 213--234 Satish C. Reddy and Lloyd N. Trefethen Stability of the Method of Lines . . . . 235--267 Eric F. Van de Velde and Jens Lorenz Adaptive data distribution for concurrent continuation . . . . . . . . 269--294 G. A. Chandler and I. H. Sloan Erratum: ``Spline qualocation methods for boundary integral equations'' [Numer. Math. \bf 58 (1990), no. 5, 537--567 and MR 91m:65323] . . . . . . . 295--295
Ricardo Durán and Rodolfo Rodríguez On the asymptotic exactness of Bank-Weiser's estimator . . . . . . . . 297--303 L. Elsner and I. Koltracht and M. Neumann Convergence of sequential and asynchronous nonlinear paracontractions 305--319 A. Habbal and D. Chenais Deterioration of a finite element method for arch structures when the thickness goes to zero . . . . . . . . . . . . . . 321--341 C. Schwab and W. L. Wendland On numerical cubatures of singular surface integrals in boundary element methods . . . . . . . . . . . . . . . . 343--369 T. Sonar Entropy production in second-order three-point schemes . . . . . . . . . . 371--390 Sze-Ping Wong Preconditioning nonconforming finite element methods for treating Dirichlet boundary conditions. I . . . . . . . . . 391--411 Sze-Ping Wong Preconditioning nonconforming finite element methods for treating Dirichlet boundary conditions. II . . . . . . . . 413--438
Ivo Babu\vska and Manil Suri Locking effects in the finite element approximation of elasticity problems . . 439--463 Amos J. Carpenter Asymptotics for the zeros of the generalized Bessel polynomials . . . . . 465--482 G. A. Chandler Midpoint collocation for Cauchy singular integral equations . . . . . . . . . . . 483--509 Martin Costabel and William McLean Spline collocation for strongly elliptic equations on the torus . . . . . . . . . 511--538 Nicholas J. Higham Estimating the Matrix $p$-norm . . . . . 539--555 Geno Nikolov On the monotonicity of sequences of quadrature formulae . . . . . . . . . . 557--565
Georgios D. Akrivis Finite difference discretization of the Kuramoto--Sivashinsky equation . . . . . 1--11 J. Baranger and D. Sandri Finite element approximation of viscoelastic fluid flow: Existence of approximate solutions and error bounds. I. Discontinuous constraints . . . . . . 13--27 C. Brezinski and M. Redivo Zaglia and H. Sadok A breakdown-free Lanczos type algorithm for solving linear systems . . . . . . . 29--38 M. I. M. Copetti and C. M. Elliott Numerical analysis of the Cahn--Hilliard equation with a logarithmic free energy 39--65 Patrick Fischer and Mireille Defranceschi and Joseph Delhalle Molecular Hartree--Fock equations for iteration-variation calculations in momentum space . . . . . . . . . . . . . 67--82 Klaus Hallatschek Fouriertransformation auf dünnen Gittern mit hierarchischen Basen. (German) [Fourier transform on sparse grids with hierarchical bases] . . . . . . . . . . 83--97 Marc Van Barel and Adhemar Bultheel A parallel algorithm for discrete least squares rational approximation . . . . . 99--121 Jin-Chao Xu and Wei-Chang Shann Galerkin-wavelet methods for two-point boundary value problems . . . . . . . . 123--144
Yves Achdou and Roland Glowinski and Olivier Pironneau Tuning the mesh of a mixed method for the stream function. Vorticity formulation of the Navier--Stokes equations . . . . . . . . . . . . . . . 145--163 John C. Clements A convexity-preserving ${C}^2$ parametric rational cubic interpolation 165--171 Árpád Elbert and Andrea Laforgia and Lucia G. Rodon\`o Asymptotics for the $n$th-degree Laguerre polynomial evaluated at $n$ . . 173--182 Richard E. Ewing and JunPing Wang Analysis of mixed finite element methods on locally refined grids . . . . . . . . 183--194 M. Jai and G. Bayada and M. Chambat The L. P. D. E. M.: a mixed finite difference method for elliptic problems 195--211 Roy Mathias Evaluating the Fréchet derivative of the matrix exponential . . . . . . . . . . . 213--226 U. Mertins Asymptotische Fehlerschranken für Rayleigh--Ritz-Approximationen selbstadjungierter Eigenwertaufgaben. (German) [Asymptotic error estimates for Rayleigh--Ritz approximations of selfadjoint eigenvalue problems] . . . . 227--241 Peter Monk A finite element method for approximating the time-harmonic Maxwell equations . . . . . . . . . . . . . . . 243--261 Jan Verschelde and Ronald Cools Nonlinear reduction for solving deficient polynomial systems by continuation methods . . . . . . . . . . 263--282 K. Wright Differential equations for the analytic singular value decomposition of a matrix 283--295
Dieter Bahlmann and Ulrich Langer A fast solver for the first biharmonic boundary value problem . . . . . . . . . 297--313 Wolfgang Dahmen and Angela Kunoth Multilevel preconditioning . . . . . . . 315--344 Andreas Frommer and Daniel B. Szyld ${H}$-splittings and two-stage iterative methods . . . . . . . . . . . . . . . . 345--356 Irena Lasiecka Convergence rates for the approximations of the solutions to algebraic Riccati Equations with unbounded coefficients: case of analytic semigroups . . . . . . 357--390 Alexander P. Morgan and Andrew J. Sommese and Charles W. Wampler A power series method for computing singular solutions to nonlinear analytic systems . . . . . . . . . . . . . . . . 391--409 Reinhard Nabben On a Class of Matrices Which Arise in the Numerical Solution of Euler Equations . . . . . . . . . . . . . . . 411--431
Wolfgang Hackbusch The frequency decomposition multi grid method. II. Convergence analysis based on the additive Schwarz method . . . . . 433--453 Ch. Lubich and R. Schneider Time discretization of parabolic boundary integral equations . . . . . . 455--481 A. I. Pehlivanov and R. D. Lazarov and G. F. Carey and S. S. Chow Superconvergence analysis of approximate boundary-flux calculations . . . . . . . 483--501 Panayot S. Vassilevski and Junping Wang Multilevel iterative methods for mixed finite element discretizations of elliptic problems . . . . . . . . . . . 503--520 Xuejun Zhang Multilevel Schwarz Methods . . . . . . . 521--539
J. C. Archer and E. Le Gruyer Two shape preserving Lagrange $\cal {C}^2$-interpolants . . . . . . . . . . 1--11 K. Arunakirinathar and B. D. Reddy Mixed finite element methods for elastic rods of arbitrary geometry . . . . . . . 13--43 Lisa A. Baughman and Noel J. Walkington Co-volume methods for degenerate parabolic problems . . . . . . . . . . . 45--67 Carsten Carstensen and Martin Reinders On a class of higher-order methods for simultaneous root finding of generalized polynomials . . . . . . . . . . . . . . 69--84 Qiang Du and Max Gunzburger and Janet Peterson Finite element approximation of a periodic Ginzburg--Landau model for type-II superconductors . . . . . . . . 85--114 Çetin Kaya Koç and Guanrong Chen A fast algorithm for scalar Nevanlinna--Pick interpolation . . . . . 115--126 Andreas Lindae On shooting methods for the discrete Helmholtz equation with constant coefficients . . . . . . . . . . . . . . 127--145
Zlatko Drma\vc and Vjeran Hari On Quadratic Convergence Bounds for the ${J}$-Symmetric Jacobi Method . . . . . 147--180 Miloud Sadkane A block Arnoldi-Chebyshev method for computing the leading eigenpairs of large sparse unsymmetric matrices . . . 181--193 Miloud Sadkane Block-Arnoldi and Davidson methods for unsymmetric large eigenvalue problems 195--211 Gerhard Starke and Richard S. Varga A Hybrid Arnoldi-Faber Iterative Method for Nonsymmetric Systems of Linear Equations . . . . . . . . . . . . . . . 213--240 K. Veseli\'c A Jacobi eigenreduction algorithm for definite matrix pairs . . . . . . . . . 241--269
Min Chen and Roger Temam Nonlinear Galerkin method in the finite difference case and wavelet-like incremental unknowns . . . . . . . . . . 271--294 Roland W. Freund and Hong Yuan Zha A look-ahead algorithm for the solution of general Hankel systems . . . . . . . 295--321 P. L. Lions and E. Rouy and A. Tourin Shape-from-shading, viscosity solutions and edges . . . . . . . . . . . . . . . 323--353 J. N. Lyness and E. de Doncker Quadrature error expansions. II. The full corner singularity . . . . . . . . 355--370 Sotirios E. Notaris Error bounds for Gauss--Kronrod quadrature formulae of analytic functions . . . . . . . . . . . . . . . 371--380 Sotirios E. Notaris The error norm of Gauss--Lobatto quadrature formulae for weight functions of Bernstein--Szeg\Ho type . . . . . . . 381--393 Daniel Stoffer General linear methods: connection to one step methods and invariant curves 395--408
M. Arnold and K. Strehmel and R. Weiner Half-explicit Runge--Kutta methods for semi-explicit differential-algebraic equations of index $1$ . . . . . . . . . 409--431 John W. Barrett and W. B. Liu Finite element error analysis of a quasi-Newtonian flow obeying the Carreau or power law . . . . . . . . . . . . . . 433--453 Folkmar Bornemann and Harry Yserentant A basic norm equivalence for the theory of multilevel methods . . . . . . . . . 455--476 B. Büttgenbach and H. Esser and R. J. Nessel On the comparison of error bounds for finite difference schemes . . . . . . . 477--486 Y. S. Choi and P. J. McKenna and M. Romano A mountain pass method for the numerical solution of semilinear wave equations 487--509 T. N. L. Patterson Modified optimal quadrature extensions 511--520 B. Simeon and C. Führer and P. Rentrop The Drazin inverse in multibody system dynamics . . . . . . . . . . . . . . . . 521--539
Slimane Adjerid and Joseph E. Flaherty and Yun J. Wang A posteriori error estimation with finite element methods of lines for one-dimensional parabolic systems . . . 1--21 Mark Ainsworth and J. Tinsley Oden A unified approach to a posteriori error estimation using element residual methods . . . . . . . . . . . . . . . . 23--50 Jesse L. Barlow Perturbation results for nearly uncoupled Markov chains with applications to iterative methods . . . 51--62 Borislav Bojanov Interpolation by periodic splines with Birkhoff knots . . . . . . . . . . . . . 63--75 Stephen L. Campbell Least squares completions for nonlinear differential algebraic equations . . . . 77--94 J. Douglas, Jr. and P. J. Paes Leme and J. E. Roberts and Junping Wang A parallel iterative procedure applicable to the approximate solution of second order partial differential equations by mixed finite element methods . . . . . . . . . . . . . . . . 95--108 Colm Art O'Cinneide Entrywise Perturbation Theory and Error Analysis for Markov Chains . . . . . . . 109--120 Knut Petras Asymptotics for the remainder of a class of positive quadratures for integrands with an interior singularity . . . . . . 121--133 G. W. Stewart On the perturbation of Markov chains with nearly transient states . . . . . . 135--141
François Alouges and Arnaud Debussche On the discretization of a partial differential equation in the neighborhood of a periodic orbit . . . . 143--175 Christopher C. Paige and Mu Sheng Wei Analysis of the generalized total least squares problem ${AX}\approx {B}$ when some columns of ${A}$ are free of error 177--202 Michel Pierre and Jean-R. R. Roche Numerical simulation of tridimensional electromagnetic shaping of liquid metals 203--217 N. Sivakumar and J. D. Ward On the least squares fit by radial functions to multidimensional scattered data . . . . . . . . . . . . . . . . . . 219--243 Yongzhong Song Some comparison theorems for nonnegative splittings of matrices . . . . . . . . . 245--252 Sze-Ping Wong Preconditioning ${P}_1$ nonconforming finite elements: condition numbers and singular value distributions . . . . . . 253--271
Olivier Edder Analysis of a simplified model of drop combustion . . . . . . . . . . . . . . . 273--284 José M. Ferrándiz and M. Teresa Pérez A family of multistep methods to integrate orbits on spheres . . . . . . 285--300 Yvan Notay On the Convergence Rate of the Conjugate Gradients in Presence of Rounding Errors 301--317 Giuseppe Savaré ${A}({\Theta})$-stable approximations of abstract Cauchy problems . . . . . . . . 319--335 W. Spann On the boundary element method for the Signorini problem of the Laplacian . . . 337--356 Ji-guang Sun Backward perturbation analysis of certain characteristic subspaces . . . . 357--382 Pierre Verlinden and Ann Haegemans An error expansion for cubature with an integrand with homogeneous boundary singularities . . . . . . . . . . . . . 383--406
Laurent Jay Collocation methods for differential-algebraic equations of index $3$ . . . . . . . . . . . . . . . 407--421 S. Joe and Y. Yan A piecewise constant collocation method using cosine mesh-grading for Symm's equation . . . . . . . . . . . . . . . . 423--433 Dieter Kuhn About existence and uniqueness of the restricted total least squares estimation . . . . . . . . . . . . . . . 435--444 Tarek P. Mathew Schwarz alternating and iterative refinement methods for mixed formulations of elliptic problems. I. Algorithms and numerical results . . . . 445--468 Tarek P. Mathew Schwarz alternating and iterative refinement methods for mixed formulations of elliptic problems. II. Convergence theory . . . . . . . . . . . 469--492 Richard S. Varga and Reinhard Nabben An algorithm for determining if the inverse of a strictly diagonally dominant Stieltjes matrix is strictly ultrametric . . . . . . . . . . . . . . 493--501 Nobito Yamamoto and Mitsuhiro T. Nakao Numerical verifications of solutions for elliptic equations in nonconvex polygonal domains . . . . . . . . . . . 503--521 L.-Q. Zhang and G.-Q. Han Optimal homotopy methods for solving nonlinear systems. I. Nonsingular homotopy paths . . . . . . . . . . . . . 523--538
Vicent Caselles and Francine Catté and Tomeu Coll and Françoise Dibos A geometric model for active contours in image processing . . . . . . . . . . . . 1--31 F. Locher A stability test for real polynomials 33--40 Mark A. Lukas Asymptotic optimality of generalized cross-validation for choosing the regularization parameter . . . . . . . . 41--66 A. Rathsfeld On quadrature methods for the double layer potential equation over the boundary of a polyhedron . . . . . . . . 67--95 Noah H. Rhee and Vjeran Hari On the global and cubic convergence of a quasi-cyclic Jacobi method . . . . . . . 97--122 J. M. de Villiers A nodal spline interpolant for the Gregory rule of even order . . . . . . . 123--137
S. Champier and T. Gallouët and R. Herbin Convergence of an upstream finite volume scheme for a nonlinear hyperbolic equation on a triangular mesh . . . . . 139--157 Thomas M. Fischer A spectral Galerkin approximation of the Orr--Sommerfeld eigenvalue problem in a semi-infinite domain . . . . . . . . . . 159--179 Frédéric d'Hennezel Domain decomposition method and elastic multi-structures: the stiffened plate problem . . . . . . . . . . . . . . . . 181--197 Rainer Kreß and Ian H. Sloan On the numerical solution of a logarithmic integral equation of the first kind for the Helmholtz equation 199--214 N. Levenberg and L. Reichel A generalized ADI iterative method . . . 215--233 M. Z. Nashed and X. Chen Convergence of Newton-like methods for singular operator equations using outer inverses . . . . . . . . . . . . . . . . 235--257 O. Scherzer Convergence rates of iterated Tikhonov regularized solutions of nonlinear ill-posed problems . . . . . . . . . . . 259--279
Rémi Arcangéli and Bernard Ycart Almost sure convergence of smoothing ${D}^m$-splines for noisy data . . . . . 281--294 Randolph E. Bank and Tony F. Chan An analysis of the composite step biconjugate gradient method . . . . . . 295--319 Klaus-Jürgen Förster Exit criteria and monotonicity in compound quadrature of Gaussian type . . 321--327 Ben-yu Guo and Jian Li Fourier--Chebyshev pseudospectral method for two-dimensional vorticity equation 329--346 Wen Guo and Martin Stynes Finite element analysis of exponentially fitted Lumped schemes for time-dependent convection-diffusion problems . . . . . 347--371 Rob Stevenson Robustness of multi-grid applied to anisotropic equations on convex domains and on domains with re-entrant corners 373--398 Liqing Zhang Two-sided approximation to periodic solutions of ordinary differential equations . . . . . . . . . . . . . . . 399--409
P. Amodio and F. Mazzia Boundary value methods for the solution of differential-algebraic equations . . 411--421 U. Göhner and G. Warnecke A shock indicator for adaptive transonic flow computations . . . . . . . . . . . 423--448 M. Griebel and P. Oswald On additive Schwarz preconditioners for sparse grid discretizations . . . . . . 449--463 Robert McLachlan Symplectic integration of Hamiltonian wave equations . . . . . . . . . . . . . 465--492 Luca F. Pavarino Additive Schwarz methods for the $p$-version finite element method . . . 493--515 Charles W. Wampler An efficient start system for multi-homogeneous polynomial continuation . . . . . . . . . . . . . . 517--523 Hermann Weber A multigrid method for a Petrov--Galerkin discretization of the Stokes equations . . . . . . . . . . . . 525--541
C. Brezinski and M. Redivo Zaglia Hybrid procedures for solving linear systems . . . . . . . . . . . . . . . . 1--19 D. Calvetti and G. H. Golub and L. Reichel An adaptive Chebyshev iterative method for nonsymmetric linear systems based on modified moments . . . . . . . . . . . . 21--40 Pedro Martins Girão and Robert V. Kohn Convergence of a crystalline algorithm for the heat equation in one dimension and for the motion of a graph by weighted curvature . . . . . . . . . . . 41--70 I. Gohberg and V. Olshevsky Fast Inversion of Chebyshev--Vandermonde Matrices . . . . . . . . . . . . . . . . 71--92 Jonathan Goodman and Thomas Hou and Eitan Tadmor On the stability of the unsmoothed Fourier method for hyperbolic equations 93--129
Uri M. Ascher and Hongsheng Chin and Sebastian Reich Stabilization of DAEs and invariant manifolds . . . . . . . . . . . . . . . 131--149 O. Buchauer and P. Hiltmann and M. Kiehl Sensitivity analysis of initial-value problems with application to shooting techniques . . . . . . . . . . . . . . . 151--159 M. P. Calvo and J. M. Sanz-Serna Canonical $B$-series . . . . . . . . . . 161--175 Howard C. Elman and Gene H. Golub and Gerhard Starke On the convergence of line iterative methods for cyclically reduced non-symmetrizable linear systems . . . . 177--190 K. Vince Fernando and Beresford N. Parlett Accurate singular values and differential $qd$ algorithms . . . . . . 191--229 Ph. Guillaume and M. Masmoudi Computation of high order derivatives in optimal shape design . . . . . . . . . . 231--250 Ion Ichim and Ionel Molnar A Bairstow's type method for trigonometric polynomials . . . . . . . 251--259 Evgenij E. Tyrtyshnikov How Bad Are Hankel Matrices? . . . . . . 261--269
Carlos F. Borges On a class of Gauss-like quadrature rules . . . . . . . . . . . . . . . . . 271--288 J. M. Carnicer and J. M. Peña Least supported bases and local linear independence . . . . . . . . . . . . . . 289--301 Luca Dieci and Timo Eirola Positive definiteness in the numerical solution of Riccati differential equations . . . . . . . . . . . . . . . 303--313 Marizio Falcone and Roberto Ferretti Discrete time high-order schemes for viscosity solutions of Hamilton--Jacobi--Bellman equations . . 315--344 Hong Jiang On the orthogonality of residual polynomials of minimax polynomial preconditioning . . . . . . . . . . . . 345--364 Ch. Lubich On the multistep time discretization of linear initial-boundary value problems and their boundary integral equations 365--389 Daoqi Yang Grid modification for the wave equation with attenuation . . . . . . . . . . . . 391--401
Dario Bini and Luca Gemignani Iteration schemes for the divide-and-conquer eigenvalue solver . . 403--425 D. Chenais and J. C. Paumier On the locking phenomenon for a class of elliptic problems . . . . . . . . . . . 427--440 Dimiter P. Dryanov Quadrature formulae with free nodes for periodic functions . . . . . . . . . . . 441--464 Jean-Luc Guermond Remarques sur les méthodes de projection pour l'approximation des équations de Navier--Stokes. (French) [Remarks on projection methods for approximating Navier--Stokes equations] . . . . . . . 465--473 Apostolos Hadjidimos and Robert J. Plemmons Optimal $p$-cyclic SOR . . . . . . . . . 475--490 Moshe Haviv and Ya'acov Ritov Bounds on the error of an approximate invariant subspace for non-self-adjoint matrices . . . . . . . . . . . . . . . . 491--500 Xun Jiang and Ricardo H. Nochetto Effect of numerical integration for elliptic obstacle problems . . . . . . . 501--512 Jie Shen Remarks on the pressure error estimates for the projection methods . . . . . . . 513--520 Stephen J. Wright Stable parallel elimination for boundary value ODEs . . . . . . . . . . . . . . . 521--535
Roland W. Freund and Richard S. Varga Congratulations [to Editor Professor Josef Stoer on the Occasion of his Seventieth Birthday, June 21, 1994] . . 1--1 D. Calvetti and L. Reichel Application of a block modified Chebyshev algorithm to the iterative solution of symmetric linear systems with multiple right hand side vectors 3--16 A. R. Conn and Nick Gould and Ph. L. Toint A note on using alternative second-order models for the subproblems arising in barrier function methods for minimization . . . . . . . . . . . . . . 17--33 Roland W. Freund A look-ahead Bareiss algorithm for general Toeplitz matrices . . . . . . . 35--69 Bingsheng He Solving a class of linear projection equations . . . . . . . . . . . . . . . 71--80 Florian Jarre A new line-search step based on the Weierstrass $\wp$-function for minimizing a class of logarithmic barrier functions . . . . . . . . . . . 81--94 Michal Ko\vcvara and Jochem Zowe An iterative two-step algorithm for linear complementarity problems . . . . 95--106 M. J. D. Powell The uniform convergence of thin plate spline interpolation in two dimensions 107--128 K. Schittkowski Parameter estimation in systems of nonlinear equations . . . . . . . . . . 129--142 G. W. Stewart On the Convergence of Multipoint Iterations . . . . . . . . . . . . . . . 143--147 Mechthild Stoer and Geir Dahl A polyhedral approach to multicommodity survivable network design . . . . . . . 149--167 Richard S. Varga and Amos J. Carpenter Asymptotics for the zeros and poles of normalized Padé approximants to $e^z$ . . 169--185
Philippe G. Ciarlet and Richard S. Varga In memoriam: Alston Scott Householder, 1904--1993 . . . . . . . . . . . . . . . 187--187 Ali Ait Ou Ammi and Martine Marion Nonlinear Galerkin methods and mixed finite elements: two-grid algorithms for the Navier--Stokes equations . . . . . . 189--213 Shivkumar Chandrasekaran and Ilse C. F. Ipsen Backward Errors for Eigenvalue and Singular Value Decompositions . . . . . 215--223 A. M. Cohen Is the Polynomial So Perfidious? . . . . 225--238 Pierre Degond and Brigitte Lucquin-Desreux An entropy scheme for the Fokker--Planck collision operator of plasma kinetic theory . . . . . . . . . . . . . . . . . 239--262 R. Günttner Exact bounds for the uniform approximation by cardinal spline interpolants . . . . . . . . . . . . . . 263--267 Houde Han The boundary integro-differential equations of three-dimensional Neumann problem in linear elasticity . . . . . . 269--281 A. Sri Ranga Another quadrature rule of highest algebraic degree of precision . . . . . 283--294 Rob Stevenson Modified ILU as a smoother . . . . . . . 295--309
Jan H. Brandts Superconvergence and a posteriori error estimation for triangular mixed finite elements . . . . . . . . . . . . . . . . 311--324 Krzysztof C. Kiwiel A Cholesky dual method for proximal piecewise linear programming . . . . . . 325--340 Igor Moret The approximation of generalized turning points by Krylov subspace methods . . . 341--353 Mark P. Robinson and Graeme Fairweather Orthogonal spline collocation methods for Schrödinger-type equations in one space variable . . . . . . . . . . . . . 355--375 Wim Sweldens and Robert Piessens Asymptotic error expansion of wavelet approximations of smooth functions. II 377--401 Kim-Chuan Toh and Lloyd N. Trefethen Pseudozeros of Polynomials and Pseudospectra of Companion Matrices . . 403--425 Aihui Zhou and Jichun Li The full approximation accuracy for the stream function-vorticity-pressure method . . . . . . . . . . . . . . . . . 427--435
John W. Barrett and W. B. Liu Quasi-norm error bounds for the finite element approximation of a non-Newtonian flow . . . . . . . . . . . . . . . . . . 437--456 Lars Eldén and Haesun Park Perturbation Analysis for Block Downdating of a Cholesky Decomposition 457--467 Dinh Nho H\`ao A mollification method for ill-posed problems . . . . . . . . . . . . . . . . 469--506 Markus Hegland A self-sorting in-place fast Fourier transform algorithm suitable for vector and parallel processing . . . . . . . . 507--547 Jeannette Van Iseghem Convergence of vectorial sequences. Applications . . . . . . . . . . . . . . 549--562
O. Axelsson and A. T. Chronopoulos On nonlinear generalized conjugate gradient methods . . . . . . . . . . . . 1--15 L. Elsner and C. He and V. Mehrmann Minimizing the Condition Number of a Positive Definite Matrix by Completion 17--23 Heinz W. Engl and Wilhelm Grever Using the ${\sf L}$-curve for determining optimal regularization parameters . . . . . . . . . . . . . . . 25--31 G. Laval and S. Mas-Gallic and P.-A. Raviart Paraxial approximation of ultrarelativistic intense beams . . . . 33--60 Ivo Marek and Daniel B. Szyld Local convergence of the (exact and inexact) iterative aggregation method for linear systems and Markov operators 61--82 Günther Schmidt Boundary element discretization of Poincaré--Steklov operators . . . . . . . 83--101 W. Spann Error estimates for the approximation of semicoercive variational inequalities 103--116 Martin Zerner An asymptotically optimal finite element scheme for the arch problem . . . . . . 117--123
Hongsen Chen and Bo Li Superconvergence analysis and error expansion for the Wilson nonconforming finite element . . . . . . . . . . . . . 125--140 Andreas Frommer and Daniel B. Szyld Asynchronous two-stage iterative methods 141--153 Hongci Huang and Weimin Han and Jinshi Zhou The regularization method for an obstacle problem . . . . . . . . . . . . 155--166 Ralf Kornhuber Monotone multigrid methods for elliptic variational inequalities. I . . . . . . 167--184 Luca F. Pavarino Schwarz methods with local refinement for the $p$-version finite element method . . . . . . . . . . . . . . . . . 185--211 J. Pousin and J. Rappaz Consistency, stability, a priori and a posteriori errors for Petrov--Galerkin methods applied to nonlinear problems 213--231 Yuan Xu A class of bivariate orthogonal polynomials and cubature formula . . . . 233--241
J. M. Borwein and A. S. Lewis and M. N. Limber and D. Noll Maximum entropy reconstruction using derivative information. II. Computational results . . . . . . . . . 243--256 Armel de La Bourdonnaye Some formulations coupling finite element and integral equation methods for Helmholtz equation and electromagnetism . . . . . . . . . . . . 257--268 G. Giunta and A. Murli and G. Schmid An analysis of bilinear transform polynomial methods of inversion of Laplace transforms . . . . . . . . . . . 269--282 T. Y. Li and Noah H. Rhee and Zhong Gang Zeng An efficient and accurate parallel algorithm for the singular value problem of bidiagonal matrices . . . . . . . . . 283--301 Marco Marletta and John D. Pryce LCNO Sturm--Liouville problems: computational difficulties and examples 303--320 A. Messaoudi On the stability of the incomplete $LU$-factorizations and characterizations of $H$-matrices . . . 321--331 Elwood T. Olsen and Jim Douglas, Jr. Bounds on spectral condition numbers of matrices arising in the $p$-version of the finite element method . . . . . . . 333--352 Miodrag S. Petkovi\'c and Carsten Carstensen and Miroslav Trajkovi\'c Weierstrass formula and zero-finding methods . . . . . . . . . . . . . . . . 353--372 Ji-guang Sun On worst-case condition numbers of a nondefective multiple eigenvalue . . . . 373--382
Stephen L. Campbell and Edward Moore Constraint preserving integrators for general nonlinear higher index DAEs . . 383--399 Brian A. Coomes and Hüseyin Koçak and Kenneth J. Palmer Rigorous Computational Shadowing of Orbits of Ordinary Differential Equations . . . . . . . . . . . . . . . 401--421 Hans G. Feichtinger and Karlheinz Gröchenig and Thomas Strohmer Efficient numerical methods in non-uniform sampling theory . . . . . . 423--440 P.-L. Lions and P. E. Souganidis Convergence of MUSCL and filtered schemes for scalar conservation laws and Hamilton--Jacobi equations . . . . . . . 441--470 Diego Mejía and Stephan Ruscheweyh and Luis C. Salinas Polynomials on the Cauchy circle . . . . 471--481 A. Melman Numerical solution of a secular equation 483--493 Stefan Schneider Convergence results for multistep Runge--Kutta methods on stiff mechanical systems . . . . . . . . . . . . . . . . 495--508 Zhimin Zhang Locking and robustness in the finite element method for circular arch problem 509--522
J. Elschner and I. G. Graham An optimal order collocation method for first kind boundary integral equations on polygons . . . . . . . . . . . . . . 1--31 R. Ennenbach The inclusion of free membrane eigenvalues . . . . . . . . . . . . . . 33--44 J.-B. Hiriart-Urruty and D. Ye Sensitivity analysis of all eigenvalues of a symmetric matrix . . . . . . . . . 45--72 K. Jbilou and H. Sadok Analysis of some vector extrapolation methods for solving systems of linear equations . . . . . . . . . . . . . . . 73--89 Ian Knowles and Robert Wallace A variational method for numerical differentiation . . . . . . . . . . . . 91--110 Yves Nievergelt Bisection hardly ever converges linearly 111--118 Gilbert Stengle Error analysis of a randomized numerical method . . . . . . . . . . . . . . . . . 119--128
U. Göhner and G. Warnecke A second order finite difference error indicator for adaptive transonic flow computations . . . . . . . . . . . . . . 129--161 M. Griebel and P. Oswald On the abstract theory of additive and multiplicative Schwarz algorithms . . . 163--180 Martin H. Gutknecht and Marlis Hochbruck Look-ahead Levinson and Schur algorithms for non-Hermitian Toeplitz systems . . . 181--227 M. Laghchim-Lahlou and P. Sablonni\`ere Quadrilateral finite elements of FVS type and class ${C}^\rho$ . . . . . . . 229--243 K. Nipp and D. Stoffer Invariant manifolds and global error estimates of numerical integration schemes applied to stiff systems of singular perturbation type. I. RK-methods . . . . . . . . . . . . . . . 245--257
M. Chipot and C. Collins and D. Kinderlehrer Numerical analysis of oscillations in multiple well problems . . . . . . . . . 259--282 C. K. Chui and J. C. Goswami and A. K. Chan Fast integral wavelet transform on a dense set of the time-scale domain . . . 283--302 Willy Govaerts and Bodo Werner Continuous bordering of matrices and continuous matrix decompositions . . . . 303--310 H. Michael Möller and Hans J. Stetter Multivariate polynomial equations with multiple zeros solved by matrix eigenproblems . . . . . . . . . . . . . 311--329 Sherman D. Riemenschneider and Zuowei Shen General interpolation on the lattice $h{\bf Z}^s$: compactly supported fundamental solutions . . . . . . . . . 331--351 M. L. Seoane Finite-dimensional approximation of two-parameter nonlinear problems . . . . 353--377 Raymond O. Wells, Jr. and Xiaodong Zhou Wavelet solutions for the Dirichlet problem . . . . . . . . . . . . . . . . 379--396
D. Berthold and B. Silbermann Corrected collocation methods for periodic pseudodifferential equations 397--425 David Elliott and Siegfried Prössdorf An algorithm for the approximate solution of integral equations of Mellin type . . . . . . . . . . . . . . . . . . 427--452 Ricardo D. Fierro and Per Christian Hansen Accuracy of TSVD solutions computed from rank-revealing decompositions . . . . . 453--471 Yunkang Liu Stability analysis of $\theta$-methods for neutral functional-differential equations . . . . . . . . . . . . . . . 473--485 Guang Fu Sun and Martin Stynes An almost fourth order uniformly convergent difference scheme for a semilinear singularly perturbed reaction-diffusion problem . . . . . . . 487--500 W. Sun A high order direct method for solving Poisson's equation in a disc . . . . . . 501--506 Qiang Ye On close eigenvalues of tridiagonal matrices . . . . . . . . . . . . . . . . 507--514 Ya-xiang Yuan On the convergence of a new trust region algorithm . . . . . . . . . . . . . . . 515--539
Zhangxin Chen and Bernardo Cockburn Analysis of a finite element method for the drift-diffusion semiconductor device equations: The multidimensional case . . 1--28 William J. Layton and Joseph M. Maubach and Patrick J. Rabier Parallel algorithms for maximal monotone operators of local type . . . . . . . . 29--58 Chang-Ock Lee and Seymour V. Parter On the rate of convergence of the $k\times k$ block, $k$-line iterative methods: $k\to\infty$ . . . . . . . . . 59--90 G. Nürnberger and Th. Riessinger Bivariate spline interpolation at grid points . . . . . . . . . . . . . . . . . 91--119 Andrew Wathen and Bernd Fischer and David Silvester The convergence rate of the minimal residual method for the Stokes problem 121--134
John W. Barrett and Patrick A. Wood The finite element approximation of a coupled reaction-diffusion problem with non-Lipschitz nonlinearities . . . . . . 135--157 Walter Gautschi and Minda Zhang Computing orthogonal polynomials in Sobolev spaces . . . . . . . . . . . . . 159--183 L. Halpern and J. Rauch Absorbing boundary conditions for diffusion equations . . . . . . . . . . 185--224 Donatella Marini and Paola Pietra Mixed finite element approximation of a degenerate elliptic problem . . . . . . 225--236 Jochen W. Schmidt and Walter Heß An always successful method in univariate convex ${C}^2$ interpolation 237--252 Mich\`ele Vanmaele and Alexander \vZení\vsek The combined effect of numerical integration and approximation of the boundary in the finite element method for eigenvalue problems . . . . . . . . 253--273
Herbert H. H. Homeier Determinantal representations for the $\cal {J}$ transformation . . . . . . . 275--288 L. Steven Hou and James C. Turner Analysis and finite element approximation of an optimal control problem in electrochemistry with current density controls . . . . . . . . . . . . 289--315 Zhiping Li A numerical method for computing singular minimizers . . . . . . . . . . 317--330 K. W. Morton and E. Süli Evolution-Galerkin methods and their supraconvergence . . . . . . . . . . . . 331--355 Franz Peherstorfer Orthogonality of residual polynomials used in minimax polynomial preconditioning . . . . . . . . . . . . 357--363 Arnold Reusken Fourier analysis of a robust multigrid method for convection-diffusion equations . . . . . . . . . . . . . . . 365--397 Alexander \vZení\vsek The maximum angle condition in the finite element method for monotone problems with applications in magnetostatics . . . . . . . . . . . . . 399--417
Y. Achdou and Yu. A. Kuznetsov and O. Pironneau Substructuring preconditioners for the ${Q}_1$ mortar element method . . . . . 419--449 Feng Kang and Zai-jiu Shang Volume-preserving algorithms for source-free dynamical systems . . . . . 451--463 Chahid Ghaddar and Yvon Maday and Anthony T. Patera Analysis of a part design procedure . . 465--510 David Gottlieb and Chi-Wang Shu On the Gibbs phenomenon. V. Recovering exponential accuracy from collocation point values of a piecewise analytic function . . . . . . . . . . . . . . . . 511--526 Dietmar Kröner and Sebastian Noelle and Mirko Rokyta Convergence of higher order upwind finite volume schemes on unstructured grids for scalar conservation laws in several space dimensions . . . . . . . . 527--560
John W. Barrett and James F. Blowey An error bound for the finite element approximation of the Cahn--Hilliard equation with logarithmic free energy 1--20 Martin Hanke and Andreas Neubauer and Otmar Scherzer A convergence analysis of the Landweber iteration for nonlinear ill-posed problems . . . . . . . . . . . . . . . . 21--37 Sang Dong Kim and Seymour V. Parter Preconditioning cubic spline collocation --- Discretizations of elliptic equations . . . . . . . . . . . . . . . 39--72 Maciej Kocan Approximation of viscosity solutions of elliptic partial differential equations on minimal grids . . . . . . . . . . . . 73--92 P. Köhler Construction of asymptotically best quadrature formulas . . . . . . . . . . 93--116 Wolfgang M. Schmidt Appendix to ``Approximation of viscosity solutions of elliptic partial differential equations on minimal grids'' by M. Kocan: Approximation to orthogonal bases in $\mbox{\bf R}^n$ by orthogonal bases with integer coordinates . . . . . . . . . . . . . . 117--122 Alexander \vZení\vsek and Mich\`ele Vanmaele The interpolation theorem for narrow quadrilateral isoparametric finite elements . . . . . . . . . . . . . . . . 123--141
Christopher Beattie and Friedrich Goerisch Methods for computing lower bounds to eigenvalues of self-adjoint operators 143--172 Stephen L. Campbell and C. William Gear The index of general nonlinear DAEs . . 173--196 Klaus Deckelnick and Gerhard Dziuk Convergence of a finite element method for non-parametric mean curvature flow 197--222 K. Najib and D. Sandri On a decoupled algorithm for solving a finite element problem for the approximation of viscoelastic fluid flow 223--238 C. V. Pao Block monotone iterative methods for numerical solutions of nonlinear elliptic equations . . . . . . . . . . . 239--262 Michael Rosier Biorthogonal decompositions of the Radon transform . . . . . . . . . . . . . . . 263--283 Musheng Wei Upper bound and stability of scaled pseudoinverses . . . . . . . . . . . . . 285--293
Carlos Díaz-Mendoza and Pablo González-Vera and Ramón Orive On the convergence of two-point Padé-type approximants . . . . . . . . . . . . . . 295--312 Maksymilian Dryja and Marcus V. Sarkis and Olof B. Widlund Multilevel Schwarz methods for elliptic problems with discontinuous coefficients in three dimensions . . . . . . . . . . 313--348 Gabriele Engl The modeling and numerical simulation of gas flow networks . . . . . . . . . . . 349--366 Rolf Stenberg and Manil Suri Mixed $h$-$p$ finite element methods for problems in elasticity and Stokes flow 367--389 Hongyuan Zha Computing the generalized singular values/vectors of large sparse or structured matrix pairs . . . . . . . . 391--417
Susanne C. Brenner A two-level additive Schwarz preconditioner for nonconforming plate elements . . . . . . . . . . . . . . . . 419--447 Barnabas M. Garay On structural stability of ordinary differential equations with respect to discretization methods . . . . . . . . . 449--479 Ralf Kornhuber Monotone multigrid methods for elliptic variational inequalities. II . . . . . . 481--499 A. I. Pehlivanov and G. F. Carey and P. S. Vassilevski Least-squares mixed finite element methods for non-selfadjoint elliptic problems: I. Error estimates . . . . . . 501--522 M. Rumpf A variational approach to optimal meshes 523--540
Randolph E. Bank and Jinchao Xu An algorithm for coarsening unstructured meshes . . . . . . . . . . . . . . . . . 1--36 Ph. Clément and R. Hagmeijer and G. Sweers On the invertibility of mappings arising in 2D grid generation problems . . . . . 37--51 Kai Diethelm Peano kernels and bounds for the error constants of Gaussian and related quadrature rules for Cauchy principal value integrals . . . . . . . . . . . . 53--63 K. P. Hadeler Shadowing orbits and Kantorovich's theorem . . . . . . . . . . . . . . . . 65--73 Christopher Heil and Gilbert Strang and Vasily Strela Approximation by translates of refinable functions . . . . . . . . . . . . . . . 75--94 Michael Hinze On the numerical approximation of unstable minimal surfaces with polygonal boundaries . . . . . . . . . . . . . . . 95--118 Benoit Perthame and Chi-Wang Shu On positivity preserving finite volume schemes for Euler equations . . . . . . 119--130
G. A. Bocharov and G. I. Marchuk and A. A. Romanyukha Numerical solution by LMMs of stiff delay differential systems modelling an immune response . . . . . . . . . . . . 131--148 Tony F. Chan and Barry F. Smith and Jun Zou Overlapping Schwarz methods on unstructured meshes using non-matching coarse grids . . . . . . . . . . . . . . 149--167 François Dubois and Guillaume Mehlman A non-parameterized entropy correction for Roe's approximate Riemann solver . . 169--208 Masato Kimura Asymptotic estimation for the condition numbers in BEM . . . . . . . . . . . . . 209--233 Ji-guang Sun Perturbation analysis of singular subspaces and deflating subspaces . . . 235--263
Christine Bernardi and Andreas Karageorghis Méthodes spectrales dans une portion de disque. (French) [Spectral methods in a part of the disk] . . . . . . . . . . . 265--289 Rudolf Bodenmann and H. Joachim Schroll Compact difference methods applied to initial-boundary value problems for mixed systems . . . . . . . . . . . . . 291--309 Annie Cuyt and Kathy Driver and Doron Lubinsky Kronecker type theorems, normality and continuity of the multivariate Padé operator . . . . . . . . . . . . . . . . 311--327 Pierre-Arnaud Raviart and Eric Sonnendrücker A hierarchy of approximate models for the Maxwell equations . . . . . . . . . 329--372 Kunibert G. Siebert An a posteriori error estimator for anisotropic refinement . . . . . . . . . 373--398
Mark Ainsworth The influence and selection of subspaces for a posteriori error estimators . . . 399--418 Willy Dörfler A time- and space-adaptive algorithm for the linear time-dependent Schrödinger equation . . . . . . . . . . . . . . . . 419--448 B. N. Khoromskij and G. Wittum Robust iterative methods for elliptic problems with highly varying coefficients in thin substructures . . . 449--472 Jan Mandel and Radek Tezaur Convergence of a substructuring method with Lagrange multipliers . . . . . . . 473--487 Thomas A. Manteuffel and Gerhard Starke On hybrid iterative methods for nonsymmetric systems of linear equations 489--506 Colm Art O'Cinneide Relative-error bounds for the $LU$ decomposition via the $GTH$ algorithm 507--519 Naoki Osada An acceleration theorem for the $\rho$-algorithm . . . . . . . . . . . . 521--531
Frédéric Coquel and Philippe G. LeFloch An entropy satisfying MUSCL scheme for systems of conservation laws . . . . . . 1--33 Luca Dieci and Timo Eirola Preserving monotonicity in the numerical solution of Riccati differential equations . . . . . . . . . . . . . . . 35--47 Xiaobo Liu Interior estimates for nonconforming finite element methods . . . . . . . . . 49--67 Jean-François Maitre and Olivier Pourquier Condition number and diagonal preconditioning: comparison of the $p$-version and the spectral element methods . . . . . . . . . . . . . . . . 69--84 Roy Mathias Fast accurate eigenvalue methods for graded positive definite matrices . . . 85--103 Ricardo H. Nochetto and Claudio Verdi Combined effect of explicit time-stepping and quadrature for curvature driven flows . . . . . . . . . 105--136
Paola Baratella and Paola Moroni Asymptotic error bounds of product formulas for functions with interior singularity . . . . . . . . . . . . . . 137--151 Lucia Gastaldi Mixed finite element methods in fluid structure systems . . . . . . . . . . . 153--176 Armin Iske and Thomas Sonar On the structure of function spaces in optimal recovery of point functionals for ENO-schemes by radial basis functions . . . . . . . . . . . . . . . 177--201 Yiannis G. Saridakis Regions of exact convergence of the USSOR method applied on generalized consistently ordered matrices . . . . . 203--219 C. Schwab A-posteriori modeling error estimation for hierarchic plate models . . . . . . 221--259
Thomas Apel and Gert Lube Anisotropic mesh refinement in stabilized Galerkin methods . . . . . . 261--282 F. Casas Fer's factorization as a symplectic integrator . . . . . . . . . . . . . . . 283--303 K. Nipp and D. Stoffer Invariant manifolds and global error estimates of numerical integration schemes applied to stiff systems of singular perturbation type. II. Linear multistep methods . . . . . . . . . . . 305--323 Pablo Pedregal On the numerical analysis of non-convex variational problems . . . . . . . . . . 325--336 S. A. Sauter and A. Krapp On the effect of numerical integration in the Galerkin boundary element method 337--359 S. Shaw and J. R. Whiteman Discontinuous Galerkin method with a posteriori $L_p(0,t_i)$ error estimate for second-kind Volterra problems . . . 361--383
A. Alonso Error estimators for a mixed method . . 385--395 M. Kappert On the zeros of the partial sums of $\cos(z)$ and $\sin(z)$ . . . . . . . . 397--417 W. McLean and S. B. Prößdorf Boundary element collocation methods using splines with multiple knots . . . 419--451 A. Oukit and R. Pierre Mixed finite element for the linear plate problem: The Hermann-Miyoshi model revisited . . . . . . . . . . . . . . . 453--477 Tobias von Petersdorff and Christoph Schwab Wavelet approximations for first kind boundary integral equations on polygons 479--516
Gang Bao Numerical analysis of diffraction by periodic structures: TM polarization . . 1--16 Michael G. Crandall and Pierre-Louis Lions Convergent difference schemes for nonlinear parabolic equations and mean curvature motion . . . . . . . . . . . . 17--41 W. Govaerts and A. Spence Detection of Hopf points by counting sectors in the complex plane . . . . . . 43--58 Benqi Guo and Weiming Cao A preconditioner for the $h$-$p$ version of the finite element method in two dimensions . . . . . . . . . . . . . . . 59--77 Erich Novak and Klaus Ritter High-dimensional integration of smooth functions over cubes . . . . . . . . . . 79--97 Robert Plato On the discrepancy principle for iterative and parametric methods to solve linear ill-posed equations . . . . 99--120 Shu-fang Xu Sensitivity analysis of the algebraic Riccati equations . . . . . . . . . . . 121--134
Folkmar A. Bornemann and Peter Deuflhard The cascadic multigrid method for elliptic problems . . . . . . . . . . . 135--152 Ulrich Brink and Carsten Carstensen and Erwin Stein Symmetric coupling of boundary elements and Raviart--Thomas-type mixed finite elements in elastostatics . . . . . . . 153--174 Oliver G. Ernst A finite-element capacitance matrix method for exterior Helmholtz problems 175--204 Mitchell Luskin Approximation of a laminated microstructure for a rotationally invariant, double well energy density 205--221 Juhani Pitkäranta and Manil Suri Design principles and error analysis for reduced-shear plate-bending finite elements . . . . . . . . . . . . . . . . 223--266
Götz Alefeld and Ingrid Lenhardt and Günter Mayer On multisplitting methods for band matrices . . . . . . . . . . . . . . . . 267--292 Michael Dellnitz and Andreas Hohmann A subdivision algorithm for the computation of unstable manifolds and global attractors . . . . . . . . . . . 293--317 Lars Grüne An adaptive grid scheme for the discrete Hamilton--Jacobi--Bellman equation . . . 319--337 Hao Lu Galerkin and weighted Galerkin methods for a forward-backward heat equation . . 339--356 F. Nataf and F. Nier Convergence rate of some domain decomposition methods for overlapping and nonoverlapping subdomains . . . . . 357--377 Masaaki Sugihara Optimality of the double exponential formula --- functional analysis approach 379--395 Klaus Wilderotter An asymptotically optimal algorithm for approximating bounded analytic functions 397--404
Daniele Boffi and Carlo Lovadina Analysis of new augmented Lagrangian formulations for mixed finite element schemes . . . . . . . . . . . . . . . . 405--419 J. de Frutos and J. M. Sanz-Serna Accuracy and conservation properties in numerical integration: The case of the Korteweg--de Vries equation . . . . . . 421--445 W. Hackbusch and S. A. Sauter Composite finite elements for the approximation of PDEs on domains with complicated micro-structures . . . . . . 447--472 J. Rappaz and J. Sanchez Hubert and E. Sanchez Palencia and D. Vassiliev On spectral pollution in the finite element approximation of thin elastic ``membrane'' shells . . . . . . . . . . 473--500 Andreas Rieder A wavelet multilevel method for ill-posed problems stabilized by Tikhonov regularization . . . . . . . . 501--522 C. Wagner and W. Kinzelbach and G. Wittum Schur-complement multigrid. A robust method for groundwater flow and transport problems . . . . . . . . . . . 523--545
Rémi Abgrall and Thomas Sonar On the use of Muhlbach expansions in the recovery step of ENO methods . . . . . . 1--25 Grégoire Allaire and Eric Bonnetier and Gilles Francfort and François Jouve Shape optimization by the homogenization method . . . . . . . . . . . . . . . . . 27--68 Juan José Torrens Sur l'erreur d'approximation par éléments finis en utilisant la méthode des plaquettes splines. (French) [On the finite element approximation error using the ``plaquette splines'' method] . . . 69--85 Harry Yserentant A new class of particle methods . . . . 87--109 Harry Yserentant A particle model of compressible fluids 111--142
H. Andrä and E. Schnack Integration of singular Galerkin-type boundary element integrals for 3D elasticity problems . . . . . . . . . . 143--165 Antonin Chambolle and Pierre-Louis Lions Image recovery via total variation minimization and related problems . . . 167--188 Hua Dai and Peter Lancaster Numerical methods for finding multiple eigenvalues of matrices depending on parameters . . . . . . . . . . . . . . . 189--208 Aaron E. Naiman and Ivo M. Babu\vska and Howard C. Elman A note on conjugate gradient convergence 209--230 Sebastian Reich On higher-order semi-explicit symplectic partitioned Runge--Kutta methods for constrained Hamiltonian systems . . . . 231--247 Ji-guang Sun Residual bounds of approximate solutions of the algebraic Riccati equation . . . 249--263 G. Wittum Shifted iterations . . . . . . . . . . . 265--278
Zhaojun Bai and James Demmel and Ming Gu An inverse free parallel spectral divide and conquer algorithm for nonsymmetric eigenproblems . . . . . . . . . . . . . 279--308 Michele Benzi and Daniel B. Szyld Existence and uniqueness of splittings for stationary iterative methods with applications to alternating methods . . 309--321 Zhiming Chen Mixed finite element methods for a dynamical Ginzburg--Landau model in superconductivity . . . . . . . . . . . 323--353 J. Elschner and Y. Jeon and I. H. Sloan and E. P. Stephan The collocation method for mixed boundary value problems on domains with curved polygonal boundaries . . . . . . 355--381 Haesun Park and Lars Eldén Stability analysis and fast algorithms for triangularization of Toeplitz matrices . . . . . . . . . . . . . . . . 383--402 Manabu Sakai Inflections and singularity on parametric rational cubic curves . . . . 403--417
Mohamed Farhloul and Michel Fortin Dual hybrid methods for the elasticity and the Stokes problems: a unified approach . . . . . . . . . . . . . . . . 419--440 E. Hairer and Ch. Lubich The life-span of backward error analysis for numerical integrators . . . . . . . 441--462 C. He On the distance to uncontrollability and the distance to instability and their relation to some condition numbers in control . . . . . . . . . . . . . . . . 463--477 Sang Dong Kim and Seokchan Kim Exponential decay of $C^1$-cubic splines vanishing at two symmetric points in each knot interval . . . . . . . . . . . 479--488 N. Papamichael and I. E. Pritsker and E. B. Saff and N. S. Stylianopoulos Approximation of conformal mappings of annular regions . . . . . . . . . . . . 489--513 Frank Uhlig The $\sc D\sc Q\sc R$ algorithm, basic theory, convergence, and conditional stability . . . . . . . . . . . . . . . 515--553
John W. Barrett and James F. Blowey Finite element approximation of a model for phase separation of a multi-component alloy with non-smooth free energy . . . . . . . . . . . . . . 1--34 Bernard Bialecki and Maksymilian Dryja Multilevel additive and multiplicative methods for orthogonal spline collocation problems . . . . . . . . . . 35--58 D. Dryanov and V. Vatchev On quadrature formulae with maximal trigonometric degree of precision . . . 59--82 Hong Oh Kim and Sang Dong Kim and Yong Hun Lee Finite difference preconditioning cubic spline collocation method of elliptic equations . . . . . . . . . . . . . . . 83--103 Shayne Waldron Integral error formulae for the scale of mean value interpolations which includes Kergin and Hakopian interpolation . . . 105--122 Georgios E. Zouraris Convergence of Runge--Kutta approximations for parabolic problems with Neumann boundary conditions . . . . 123--142
François Bereux and Lionel Sainsaulieu A Roe-type Riemann solver for hyperbolic systems with relaxation based on time-dependent wave decomposition . . . 143--185 C. Carstensen and S. A. Funken and E. P. Stephan On the adaptive coupling of FEM and BEM in $2$-d-elasticity . . . . . . . . . . 187--221 Ryan I. Fernandes Efficient orthogonal spline collocation methods for solving linear second order hyperbolic problems on rectangles . . . 223--241 Max D. Gunzburger and L. Steven Hou and S. S. Ravindran Analysis and approximation of optimal control problems for a simplified Ginzburg--Landau model of superconductivity . . . . . . . . . . . 243--268 Benedict J. Leimkuhler and Erik S. Van Vleck Orthosymplectic integration of linear Hamiltonian systems . . . . . . . . . . 269--282
J. M. Borwein and W. Sun The stability analysis of dynamic SPECT systems . . . . . . . . . . . . . . . . 283--298 Dominique Chapelle A locking-free approximation of curved rods by straight beam elements . . . . . 299--322 Heike Faßbender Inverse unitary eigenproblems and related orthogonal functions . . . . . . 323--345 H. Han and W. Bao The artificial boundary conditions for incompressible materials on an unbounded domain . . . . . . . . . . . . . . . . . 347--363 Kenneth Hvistendahl Karlsen and Nils Henrik Risebro An operator splitting method for nonlinear convection-diffusion equations 365--382 Marcus Sarkis Nonstandard coarse spaces and Schwarz methods for elliptic problems with discontinuous coefficients using non-conforming elements . . . . . . . . 383--406 Markus Ziegler Generalized biorthogonal bases and tridiagonalisation of matrices . . . . . 407--421
Vicent Caselles and Ron Kimmel and Guillermo Sapiro and Catalina Sbert Minimal surfaces: a geometric three dimensional segmentation approach . . . 423--451 David Elliott and Ezio Venturino Sigmoidal transformations and the Euler--Maclaurin expansion for evaluating certain Hadamard finite-part integrals . . . . . . . . . . . . . . . 453--465 Nicola Guglielmi On the asymptotic stability properties of Runge--Kutta methods for delay differential equations . . . . . . . . . 467--485 Martin Hanke Superlinear convergence rates for the Lanczos method applied to elliptic operators . . . . . . . . . . . . . . . 487--499 Kang-Man Liu and Ivo Babu\vska Dimensional reduction for Helmholtz's equation on a bounded domain . . . . . . 501--533 Daniel Stoffer On the qualitative behaviour of symplectic integrators. Part I: Perturbed linear systems . . . . . . . . 535--547 M. Zennaro Asymptotic stability analysis of Runge--Kutta methods for nonlinear systems of delay differential equations 549--563
Silvia Bertoluzza Interior estimates for the wavelet Galerkin method . . . . . . . . . . . . 1--20 Zhiping Li Simultaneous numerical approximation of microstructures and relaxed minimizers 21--38 Beatrice Meini New convergence results on functional iteration techniques for the numerical solution of $M/G/1$ type Markov chains 39--58 Thomas Sauer Polynomial interpolation of minimal degree . . . . . . . . . . . . . . . . . 59--85 J. Schropp A note on minimization problems and multistep methods . . . . . . . . . . . 87--101 Gerhard Starke Field-of-values analysis of preconditioned iterative methods for nonsymmetric elliptic problems . . . . . 103--117 Christian Wagner Tangential frequency filtering decompositions for symmetric matrices 119--142 Christian Wagner Tangential frequency filtering decompositions for unsymmetric matrices 143--163
V. John and J. M. Maubach and L. Tobiska Nonconforming streamline-diffusion-finite-element-methods for convection-diffusion problems 165--188 Hao Lu and Owe Axelsson Conditioning analysis of block incomplete factorizations and its application to elliptic equations . . . 189--209 Stefan A. Sauter and Christoph Schwab Quadrature for $hp$-Galerkin BEM in ${\bf R}^3$ . . . . . . . . . . . . . . 211--258 Zhong-Ci Shi and Bin Jiang and Weimin Xue A new superconvergence property of Wilson nonconforming finite element . . 259--268 Rob Stevenson A robust hierarchical basis preconditioner on general meshes . . . . 269--303 Christian Wagner and Gabriel Wittum Adaptive filtering . . . . . . . . . . . 305--328
Peter Benner and Volker Mehrmann and Hongguo Xu A numerically stable, structure preserving method for computing the eigenvalues of real Hamiltonian or symplectic pencils . . . . . . . . . . . 329--358 Folkmar A. Bornemann and Christof Schütte A mathematical investigation of the Car--Parrinello method . . . . . . . . . 359--376 Michel Delfour and François Dubeau Fixed mesh approximation of ordinary differential equations with impulses . . 377--401 Miloslav Feistauer and Karel Najzar Finite element approximation of a problem with a nonlinear Newton boundary condition . . . . . . . . . . . . . . . 403--425 W. Lawton and S. L. Lee and Zuowei Shen Convergence of multidimensional cascade algorithm . . . . . . . . . . . . . . . 427--438 J. N. Lyness and U. Rüde Cubature of integrands containing derivatives . . . . . . . . . . . . . . 439--461 Ji-guang Sun Residual bounds of approximate solutions of the discrete-time algebraic Riccati equation . . . . . . . . . . . . . . . . 463--478 R. Verfürth Robust a posteriori error estimators for a singularly perturbed reaction-diffusion equation . . . . . . 479--493
Hongsen Chen and Richard Ewing and Raytcho Lazarov Superconvergence of mixed finite element methods for parabolic problems with nonsmooth initial data . . . . . . . . . 495--521 Michel Crouzeix and Francisco-Javier Sayas Asymptotic expansions of the error of spline Galerkin boundary element methods 523--547 M. Hegland and R. S. Anderssen A mollification framework for improperly posed problems . . . . . . . . . . . . . 549--575 B. N. Khoromskij and G. Schmidt A fast interface solver for the biharmonic Dirichlet problem on polygonal domains . . . . . . . . . . . 577--596 M. Lemou Multipole expansions for the Fokker--Planck--Landau operator . . . . 597--618 Thomas Sonar and Endre Süli A dual graph-norm refinement indicator for finite volume approximations of the Euler equations . . . . . . . . . . . . 619--658
J. F. Buss and R. B. Simpson Planar mesh refinement cannot be both local and regular . . . . . . . . . . . 1--10 L. Demkowicz and K. Gerdes Convergence of the infinite element methods for the Helmholtz equation in separable domains . . . . . . . . . . . 11--42 Birgit Faermann Local a-posteriori error indicators for the Galerkin discretization of boundary integral equations . . . . . . . . . . . 43--76 Yinnian He and Kaitai Li Convergence and stability of finite element nonlinear Galerkin method for the Navier--Stokes equations . . . . . . 77--106 Pascal Laubin High order convergence for collocation of second kind boundary integral equations on polygons . . . . . . . . . 107--140 Christoph Pflaum A multilevel algorithm for the solution of second order elliptic differential equations on sparse grids . . . . . . . 141--155
Mark Ainsworth and Rolf Grigorieff and Ian Sloan Semi-discrete Galerkin approximation of the single layer equation by general splines . . . . . . . . . . . . . . . . 157--174 Zhiming Chen and Jun Zou Finite element methods and their convergence for elliptic and parabolic interface problems . . . . . . . . . . . 175--202 Michael Günther Simulating digital circuits numerically --- a charge-oriented ROW approach . . . 203--212 Thomas Huckle Symmetric Gaussian elimination for Cauchy-type matrices with application to positive definite Toeplitz matrices . . 213--229 Seongjai Kim Domain decomposition iterative procedures for solving scalar waves in the frequency domain . . . . . . . . . . 231--259 C. V. Pao Accelerated monotone iterative methods for finite difference equations of reaction-diffusion . . . . . . . . . . . 261--281 Tomás Chacón Rebollo A term by term stabilization algorithm for finite element solution of incompressible flow problems . . . . . . 283--319
C. Carstensen and M. Kuhn and U. Langer Fast parallel solvers for symmetric boundary element domain decomposition equations . . . . . . . . . . . . . . . 321--347 Carlos Conca and Mario Durán and Jacques Rappaz Rate of convergence estimates for the spectral approximation of a generalized eigenvalue problem . . . . . . . . . . . 349--369 Norbert Heuer An iterative substructuring method for the $p$-version of the boundary element method for hypersingular integral operators in three dimensions . . . . . 371--396 Xu-Dong Liu and Eitan Tadmor Third order nonoscillatory central scheme for hyperbolic conservation laws 397--425 H. J. Oberle and G. Opfer Nonnegative splines, in particular of degree five . . . . . . . . . . . . . . 427--450 Ian H. Sloan and W. L. Wendland Qualocation methods for elliptic boundary integral equations . . . . . . 451--483
Bogdan Dumitrescu Improving and estimating the accuracy of Strassen's algorithm . . . . . . . . . . 485--499 Barbara Kaltenbacher A posteriori parameter choice strategies for some Newton type methods for the regularization of nonlinear ill-posed problems . . . . . . . . . . . . . . . . 501--528 Seongjai Kim On the use of rational iterations and domain decomposition methods for the Helmholtz problem . . . . . . . . . . . 529--552 Sergey A. Kochengin and Vladimir I. Oliker Determination of reflector surfaces from near-field scattering data II. Numerical solution . . . . . . . . . . . . . . . . 553--568 Toshiyuki Koto Stability of the Radau IA and Lobatto IIIC methods for delay differential equations . . . . . . . . . . . . . . . 569--580 Peter Kunkel and Volker Mehrmann Regular solutions of nonlinear differential-algebraic equations and their numerical determination . . . . . 581--600 Michael-Ralf Skrzipek Polynomial evaluation and associated polynomials . . . . . . . . . . . . . . 601--613 Ji-guang Sun Perturbation analysis of generalized singular subspaces . . . . . . . . . . . 615--641 Zhanye Tong and Ahmed Sameh On an iterative method for saddle point problems . . . . . . . . . . . . . . . . 643--646
Wolf-Jürgen Beyn and Winfried Kleß Numerical Taylor expansions of invariant manifolds in large dynamical systems . . 1--38 Borislav Bojanov and Guergana Petrova Numerical integration over a disc. A new Gaussian quadrature formula . . . . . . 39--59 Silvia Dassi\`e and Marco Vianello and Renato Zanovello Asymptotic summation of power series . . 61--73 Alfredo Eisinberg and Giuseppe Franzé and Paolo Pugliese Vandermonde matrices on integer nodes 75--85 Benqi Guo and Ernst P. Stephan The $h$-$p$ version of the coupling of finite element and boundary element methods for transmission problems in polyhedral domains . . . . . . . . . . . 87--107 J. J. McDonald and H. Schneider Block LU factorizations of M-matrices 109--130 Rob Stevenson Stable three-point wavelet bases on general meshes . . . . . . . . . . . . . 131--158
B. Achchab and A. Agouzal and J. Baranger and J. F. Maitre Estimateur d'erreur a posteriori hiérarchique. Application aux éléments finis mixtes (French) [A posteriori hierarchical error estimator. Application to mixed finite elements] 159--179 M. Amara and M. Ben Younes and C. Bernardi Error indicators for the Navier--Stokes equations in stream function and vorticity formulation . . . . . . . . . 181--206 J.-L. Guermond and L. Quartapelle On the approximation of the unsteady Navier--Stokes equations by finite element projection methods . . . . . . . 207--238 Zhongxiao Jia Generalized block Lanczos methods for large unsymmetric eigenproblems . . . . 239--266 Zhou-Ming Lou and Bernard Bialecki and Graeme Fairweather Orthogonal spline collocation methods for biharmonic problems . . . . . . . . 267--303 Florian A. Potra and Liqun Qi and Defeng Sun Secant methods for semismooth equations 305--324
Mark Ainsworth A posteriori error estimation for fully discrete hierarchic models of elliptic boundary value problems on thin domains 325--362 K. A. Ariyawansa Line search termination criteria for collinear scaling algorithms for minimizing a class of convex functions 363--376 B. Le Bailly and J. P. Thiran Optimum parameters for the generalized ADI method . . . . . . . . . . . . . . . 377--395 Y. Notay Using approximate inverses in algebraic multilevel methods . . . . . . . . . . . 397--417 Jukka Tuomela and Olivier Vacus Algebraic derivation of discrete absorbing boundary conditions for the wave equation . . . . . . . . . . . . . 419--459 Shayne Waldron Multipoint Taylor formulæ . . . . . . . . 461--494
Philippe Ciarlet Editorial: [to Richard S. Varga, Seventieth Birthday Greetings] . . . . . 495--495 E. Bänsch and W. Dörfler Adaptive finite elements for exterior domain problems . . . . . . . . . . . . 497--523 John W. Barrett and James F. Blowey and Harald Garcke Finite element approximation of a fourth order nonlinear degenerate parabolic equation . . . . . . . . . . . . . . . . 525--556 Christian Kanzow An inexactQP-based method for nonlinear complementarity problems . . . . . . . . 557--577 Otmar Scherzer An iterative multi level algorithm for solving nonlinear ill-posed problems . . 579--600 S. Verdi\`ere and M. H. Vignal Numerical and theoretical study of a Dual Mesh Method using finite volume schemes for two phase flow problems in porous media . . . . . . . . . . . . . . 601--639 R. Verfürth A posteriori error estimators for convection-diffusion equations . . . . . 641--663
C. Brezinski and M. Redivo-Zaglia and G. Rodriguez and S. Seatzu Extrapolation techniques for ill-conditioned linear systems . . . . . 1--29 M. Calvo and S. Gonzalez-Pinto and J. I. Montijano On the convergence of Runge--Kutta methods for stiff non linear differential equations . . . . . . . . . 31--51 Christian Lubich and Alexander Ostermann Hopf bifurcation of reaction-diffusion and Navier--Stokes equations under discretization . . . . . . . . . . . . . 53--84 Christian Rohde Upwind finite volume schemes for weakly coupled hyperbolic systems of conservation laws in 2D . . . . . . . . 85--123 V. Simoncini A matrix analysis of Arnoldi and Lanczos methods . . . . . . . . . . . . . . . . 125--141 W. Sun Fast algorithms for high-order spline collocation systems . . . . . . . . . . 143--160 Anonymous Announcement: Householder Award X . . . 161--162
Daniela Capatina-Papaghiuc and Jean-Marie Thomas Nonconforming finite element methods without numerical locking . . . . . . . 163--186 Carsten Carstensen and Georg Dolzmann A posteriori error estimates for mixed FEM in elasticity . . . . . . . . . . . 187--209 Lina Hemmingsson A semi-circulant preconditioner for the convection-diffusion equation . . . . . 211--248 Hao Lu and Joseph Maubach A finite element method and variable transformations for a forward-backward heat equation . . . . . . . . . . . . . 249--272 G. Monegato and J. N. Lyness The Euler--Maclaurin expansion and finite-part integrals . . . . . . . . . 273--291 J. M. Peña Pivoting strategies leading to diagonal dominance by rows . . . . . . . . . . . 293--304 Cheon Seoung Ryoo and Mitsuhiro T. Nakao Numerical verification of solutions for variational inequalities . . . . . . . . 305--320 Anonymous Announcement: Householder Award X . . . 321--322
P. Dutt Spectral methods for initial boundary value problems with nonsmooth data . . . 323--344 Boris N. Khoromskij and Gabriel Wittum An asymptotically optimal Schur complement reduction for the Stokes equation . . . . . . . . . . . . . . . . 345--375 Chi-Kwong Li and Roy Mathias The Lidskii-Mirsky-Wielandt theorem --- additive and multiplicative versions . . 377--413 Will Light and Henry Wayne Spaces of distributions, interpolation by translates of a basis function and error estimates . . . . . . . . . . . . 415--450 Lin Qiu and Biao Yang and Jiaoxun Kuang The NGP-stability of Runge--Kutta methods for systems of neutral delay differential equations . . . . . . . . . 451--459 Stefano Serra The rate of convergence of Toeplitz based PCG methods for second order nonlinear boundary value problems . . . 461--495
Philippe Angot and Charles-Henri Bruneau and Pierre Fabrie A penalization method to take into account obstacles in incompressible viscous flows . . . . . . . . . . . . . 497--520 K. Brüntjen and H. Späth Incomplete total least squares . . . . . 521--538 Qiang Du and Max D. Gunzburger and Hyesuk Kwon Lee Analysis and computation of a mean-field model for superconductivity . . . . . . 539--560 J. S. Hwang Rational approximation to orthogonal bases and of the solutions of elliptic equations . . . . . . . . . . . . . . . 561--575 Axel Klawonn and Gerhard Starke Block triangular preconditioners for nonsymmetric saddle point problems: field-of-values analysis . . . . . . . . 577--594 Peter A. Markowich and Paola Pietra and Carsten Pohl Numerical approximation of quadratic observables of Schrödinger-type equations in the semi-classical limit . . . . . . 595--630 Josef Stoer and Martin Wechs On the analyticity properties of infeasible-interior-point paths for monotone linear complementarity problems 631--645 Qingchuan Yao On Halley iteration . . . . . . . . . . 647--677
Zhong-Zhi Bai and Violeta Migallón and José Penadés and Daniel B. Szyld Block and asynchronous two-stage methods for mildly nonlinear systems . . . . . . 1--20 John W. Barrett and Mathias Schneider Finite element approximation of a semilinear elliptic problem with a singular nonlinearity . . . . . . . . . 21--56 Fabio Di Benedetto and Stefano Serra Capizzano A unifying approach to abstract matrix algebra preconditioning . . . . . . . . 57--90 Robert Eymard and Thierry Gallouët and Rapha\`ele Herbin Convergence of finite volume schemes for semilinear convection diffusion equations . . . . . . . . . . . . . . . 91--116 Stefano Serra A Korovkin-type theory for finite Toeplitz operators via matrix algebras 117--142 Harry Yserentant Particles of variable size . . . . . . . 143--159 Harry Yserentant Entropy generation and shock resolution in the particle model of compressible fluids . . . . . . . . . . . . . . . . . 161--177
Dietrich Braess and Wolfgang Dahmen A cascadic multigrid algorithm for the Stokes equations . . . . . . . . . . . . 179--191 P. Ciarlet, Jr. and Jun Zou Fully discrete finite element approaches for time-dependent Maxwell's equations 193--219 Michael S. Floater and Ewald G. Quak Piecewise linear prewavelets on arbitrary triangulations . . . . . . . . 221--252 Ralf Hiptmair and Ronald H. W. Hoppe Multilevel methods for mixed finite elements in three dimensions . . . . . . 253--279 Petr Klou\vcek The relaxation of non-quasiconvex variational integrals . . . . . . . . . 281--311 Bernd Mulansky and Jochen W. Schmidt Convex interval interpolation using a three-term staircase algorithm . . . . . 313--337 Ji-guang Sun Backward errors for the inverse eigenvalue problem . . . . . . . . . . . 339--349
Mark Ainsworth and David Kay The approximation theory for the $p$-version finite element method and application to non-linear elliptic PDEs 351--388 H. Brass and J.-W. Fischer Error bounds for Romberg quadrature . . 389--408 Panagiotis Chatzipantelidis A finite volume method based on the Crouzeix--Raviart element for elliptic PDE's in two dimensions . . . . . . . . 409--432 P. Houston and J. A. Mackenzie and E. Süli and G. Warnecke A posteriori error analysis for numerical approximations of Friedrichs systems . . . . . . . . . . . . . . . . 433--470 C. Palencia Backward Euler method for abstract time-dependent parabolic equations with variable domains . . . . . . . . . . . . 471--490 Xiulin Zou Analysis of the quasi-Laguerre method 491--519
Georgios Akrivis and Michel Crouzeix and Charalambos Makridakis Implicit-explicit multistep methods for quasilinear parabolic equations . . . . 521--541 Randolph E. Bank and Christian Wagner Multilevel ILU decomposition . . . . . . 543--576 Carsten Carstensen Numerical analysis of the primal problem of elastoplasticity with hardening . . . 577--597 Lars Eldén and Haesun Park A Procrustes problem on the Stiefel manifold . . . . . . . . . . . . . . . . 599--619 G. Fdez-Manín and R. Muñoz-Sola Error estimates for the patching method in the bidimensional case . . . . . . . 621--634 Ana B. González and Pablo Martín and José M. Farto A new family of Runge--Kutta type methods for the numerical integration of perturbed oscillators . . . . . . . . . 635--646 C. Grossmann and A. Ismail Parameter selection rules for path-following with singular embedding 647--675 T. Morita Calculation of the elliptic integrals of the first and second kinds with complex modulus . . . . . . . . . . . . . . . . 677--688
G. E. Alefeld and X. Chen and F. A. Potra Numerical validation of solutions of linear complementarity problems . . . . 1--23 Susanne C. Brenner and Li-yeng Sung Balancing domain decomposition for nonconforming plate elements . . . . . . 25--52 C. Brezinski and M. Redivo Zaglia and H. Sadok New look-ahead Lanczos-type algorithms for linear systems . . . . . . . . . . . 53--85 S. B. Damelin and Kai Diethelm Interpolatory product quadratures for Cauchy principal value integrals with Freud weights . . . . . . . . . . . . . 87--105 Steinar Evje and Kenneth Hvistendahl Karlsen Viscous splitting approximation of mixed hyperbolic-parabolic convection-diffusion equations . . . . . 107--137 Qi-nian Jin and Zong-yi Hou On an a posteriori parameter choice strategy for Tikhonov regularization of nonlinear ill-posed problems . . . . . . 139--159 Ilya D. Mishev Finite volume element methods for non-definite problems . . . . . . . . . 161--175
Anonymous Publications in the Directory ONLINE First . . . . . . . . . . . . . . . . . 177--177 Folkmar A. Bornemann and Christof Schütte Adaptive accuracy control for Car--Parrinello simulations . . . . . . 179--186 Susanne C. Brenner The condition number of the Schur complement in domain decomposition . . . 187--203 Thomas K. DeLillo and Mark A. Horn and John A. Pfaltzgraff Numerical conformal mapping of multiply connected regions by Fornberg-like methods . . . . . . . . . . . . . . . . 205--230 Howard C. Elman and Dianne P. O'Leary Eigenanalysis of some preconditioned Helmholtz problems . . . . . . . . . . . 231--257 Andreas Frommer and Daniel B. Szyld Weighted max norms, splittings, and overlapping additive Schwarz iterations 259--278 M. Griebel and P. Oswald and T. Schiekofer Sparse grids for boundary integral equations . . . . . . . . . . . . . . . 279--312 G. W. Stewart Four algorithms for the efficient computation of truncated pivoted $QR$ approximations to a sparse matrix . . . 313--323
Michel Chipot The appearance of microstructures in problems with incompatible wells and their numerical approach . . . . . . . . 325--352 Jim Douglas, Jr. and Chieh-Sen Huang and Felipe Pereira The modified method of characteristics with adjusted advection . . . . . . . . 353--369 Nicola Guglielmi and Ernst Hairer Order stars and stability for delay differential equations . . . . . . . . . 371--383 Martin Hanke and Curtis R. Vogel Two-level preconditioners for regularized inverse problems I: Theory 385--402 Marlis Hochbruck and Christian Lubich A Gautschi-type method for oscillatory second-order differential equations . . 403--426 G. Kossioris and Ch. Makridakis and P. E. Souganidis Finite volume schemes for Hamilton--Jacobi equations . . . . . . . 427--442 Alexander N. Malyshev A formula for the $2$-norm distance from a matrix to the set of matrices with multiple eigenvalues . . . . . . . . . . 443--454 K. Segeth A posteriori error estimation with the finite element method of lines for a nonlinear parabolic equation in one space dimension . . . . . . . . . . . . 455--475 Zai-jiu Shang KAM theorem of symplectic algorithms for Hamiltonian systems . . . . . . . . . . 477--496 Ian H. Sloan and Wolfgang L. Wendland Spline qualocation methods for variable-coefficient elliptic equations on curves . . . . . . . . . . . . . . . 497--533
D. Calvetti and L. Reichel and Q. Zhang Iterative exponential filtering for large discrete ill-posed problems . . . 535--556 N. Calvo and J. Durany and C. Vázquez Numerical approach of temperature distribution in a free boundary model for polythermal ice sheets . . . . . . . 557--580 Yu-hong Dai and Ya-xiang Yuan Global convergence of the method of shortest residuals . . . . . . . . . . . 581--598 Luca Dieci and Erik S. Van Vleck Computation of orthonormal factors for fundamental solution matrices . . . . . 599--620 Chun-Hua Guo Incomplete block factorization preconditioning for indefinite elliptic problems . . . . . . . . . . . . . . . . 621--639 Norbert Heuer and Matthias Maischak and Ernst P. Stephan Exponential convergence of the $hp$-version for the boundary element method on open surfaces . . . . . . . . 641--666 Dominik Schötzau and Christoph Schwab and Rolf Stenberg Mixed $hp$-FEM on anisotropic meshes II: Hanging nodes and tensor products of boundary layer meshes . . . . . . . . . 667--697 K. Veseli\'c A note on the pivoted symmetric $LR$ iteration . . . . . . . . . . . . . . . 699--702
T. N. T. Goodman and S. L. Lee Convergence of nonstationary cascade algorithms . . . . . . . . . . . . . . . 1--33 J. M. Melenk Operator adapted spectral element methods I: harmonic and generalized harmonic polynomials . . . . . . . . . . 35--69 P. Mortreux and M. Prévost On totally monotonic families of sequences . . . . . . . . . . . . . . . 71--96 Joachim Schöberl Multigrid methods for a parameter dependent problem in primal variables 97--119 Takuya Tsuchiya An application of the Kantorovich theorem to nonlinear finite element analysis . . . . . . . . . . . . . . . . 121--141 Barbara I. Wohlmuth A residual based error estimator for mortar finite element discretizations 143--171
Faker Ben Belgacem The Mortar finite element method with Lagrange multipliers . . . . . . . . . . 173--197 Ernst Hairer Backward error analysis for multistep methods . . . . . . . . . . . . . . . . 199--232 Toshiyuki Koto Stability of Runge--Kutta methods for the generalized pantograph equation . . 233--247 Mats G. Larson and A. Jonas Niklasson Adaptive multilevel finite element approximations of semilinear elliptic boundary value problems . . . . . . . . 249--274 E. Maitre and P. Witomski Transport equation with boundary conditions for free surface localization 275--303 I. Perugia A mixed formulation for 3D magnetostatic problems: theoretical analysis and face-edge finite element approximation 305--326 C. Pflaum and A. Zhou Error analysis of the combination technique . . . . . . . . . . . . . . . 327--350
Norbert Heuer Erratum: ``An iterative substructuring method for the $p$-version of the boundary element method for hypersingular integral operators in three dimensions'' Numer. Math. (1998) 79: 371--396 . . . . . . . . . . . . . . 793--794
R. Pytlak Comments on ``Global convergence of the method of shortest residuals'' by Y. Dai and Y. Yuan . . . . . . . . . . . . . . 319--321