A Stopping Criterion for the Conjugate Gradient Algorithm in a Finite Element Method Framework
Author | : Mario Arioli |
Publisher | : |
Total Pages | : |
Release | : 2003 |
ISBN-10 | : OCLC:59270029 |
ISBN-13 | : |
Rating | : 4/5 (29 Downloads) |
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Author | : Mario Arioli |
Publisher | : |
Total Pages | : |
Release | : 2003 |
ISBN-10 | : OCLC:59270029 |
ISBN-13 | : |
Rating | : 4/5 (29 Downloads) |
Author | : Michal Krizek |
Publisher | : Springer Science & Business Media |
Total Pages | : 405 |
Release | : 2012-12-06 |
ISBN-10 | : 9783642185601 |
ISBN-13 | : 3642185606 |
Rating | : 4/5 (01 Downloads) |
The position taken in this collection of pedagogically written essays is that conjugate gradient algorithms and finite element methods complement each other extremely well. Via their combinations practitioners have been able to solve complicated, direct and inverse, multidemensional problems modeled by ordinary or partial differential equations and inequalities, not necessarily linear, optimal control and optimal design being part of these problems. The aim of this book is to present both methods in the context of complicated problems modeled by linear and nonlinear partial differential equations, to provide an in-depth discussion on their implementation aspects. The authors show that conjugate gradient methods and finite element methods apply to the solution of real-life problems. They address graduate students as well as experts in scientific computing.
Author | : Gérard Meurant |
Publisher | : SIAM |
Total Pages | : 138 |
Release | : 2024-01-30 |
ISBN-10 | : 9781611977868 |
ISBN-13 | : 161197786X |
Rating | : 4/5 (68 Downloads) |
The conjugate gradient (CG) algorithm is almost always the iterative method of choice for solving linear systems with symmetric positive definite matrices. This book describes and analyzes techniques based on Gauss quadrature rules to cheaply compute bounds on norms of the error. The techniques can be used to derive reliable stopping criteria. How to compute estimates of the smallest and largest eigenvalues during CG iterations is also shown. The algorithms are illustrated by many numerical experiments, and they can be easily incorporated into existing CG codes. The book is intended for those in academia and industry who use the conjugate gradient algorithm, including the many branches of science and engineering in which symmetric linear systems have to be solved.
Author | : Gerard Meurant |
Publisher | : SIAM |
Total Pages | : 374 |
Release | : 2006-08-01 |
ISBN-10 | : 9780898716160 |
ISBN-13 | : 0898716160 |
Rating | : 4/5 (60 Downloads) |
The most comprehensive and up-to-date discussion available of the Lanczos and CG methods for computing eigenvalues and solving linear systems.
Author | : Gene H. Golub |
Publisher | : JHU Press |
Total Pages | : 781 |
Release | : 2013-02-15 |
ISBN-10 | : 9781421407944 |
ISBN-13 | : 1421407949 |
Rating | : 4/5 (44 Downloads) |
This revised edition provides the mathematical background and algorithmic skills required for the production of numerical software. It includes rewritten and clarified proofs and derivations, as well as new topics such as Arnoldi iteration, and domain decomposition methods.
Author | : Claude Brezinski |
Publisher | : Springer Science & Business Media |
Total Pages | : 770 |
Release | : 2013-10-24 |
ISBN-10 | : 9781461471325 |
ISBN-13 | : 146147132X |
Rating | : 4/5 (25 Downloads) |
Walter Gautschi has written extensively on topics ranging from special functions, quadrature and orthogonal polynomials to difference and differential equations, software implementations, and the history of mathematics. He is world renowned for his pioneering work in numerical analysis and constructive orthogonal polynomials, including a definitive textbook in the former, and a monograph in the latter area. This three-volume set, Walter Gautschi: Selected Works with Commentaries, is a compilation of Gautschi’s most influential papers and includes commentaries by leading experts. The work begins with a detailed biographical section and ends with a section commemorating Walter’s prematurely deceased twin brother. This title will appeal to graduate students and researchers in numerical analysis, as well as to historians of science. Selected Works with Commentaries, Vol. 1 Numerical Conditioning Special Functions Interpolation and Approximation Selected Works with Commentaries, Vol. 2 Orthogonal Polynomials on the Real Line Orthogonal Polynomials on the Semicircle Chebyshev Quadrature Kronrod and Other Quadratures Gauss-type Quadrature Selected Works with Commentaries, Vol. 3 Linear Difference Equations Ordinary Differential Equations Software History and Biography Miscellanea Works of Werner Gautschi
Author | : Gérard Meurant |
Publisher | : Springer Nature |
Total Pages | : 686 |
Release | : 2020-10-02 |
ISBN-10 | : 9783030552510 |
ISBN-13 | : 3030552519 |
Rating | : 4/5 (10 Downloads) |
This book aims to give an encyclopedic overview of the state-of-the-art of Krylov subspace iterative methods for solving nonsymmetric systems of algebraic linear equations and to study their mathematical properties. Solving systems of algebraic linear equations is among the most frequent problems in scientific computing; it is used in many disciplines such as physics, engineering, chemistry, biology, and several others. Krylov methods have progressively emerged as the iterative methods with the highest efficiency while being very robust for solving large linear systems; they may be expected to remain so, independent of progress in modern computer-related fields such as parallel and high performance computing. The mathematical properties of the methods are described and analyzed along with their behavior in finite precision arithmetic. A number of numerical examples demonstrate the properties and the behavior of the described methods. Also considered are the methods’ implementations and coding as Matlab®-like functions. Methods which became popular recently are considered in the general framework of Q-OR (quasi-orthogonal )/Q-MR (quasi-minimum) residual methods. This book can be useful for both practitioners and for readers who are more interested in theory. Together with a review of the state-of-the-art, it presents a number of recent theoretical results of the authors, some of them unpublished, as well as a few original algorithms. Some of the derived formulas might be useful for the design of possible new methods or for future analysis. For the more applied user, the book gives an up-to-date overview of the majority of the available Krylov methods for nonsymmetric linear systems, including well-known convergence properties and, as we said above, template codes that can serve as the base for more individualized and elaborate implementations.
Author | : Gene Howard Golub |
Publisher | : Oxford University Press |
Total Pages | : 581 |
Release | : 2007-02-22 |
ISBN-10 | : 9780199206810 |
ISBN-13 | : 0199206813 |
Rating | : 4/5 (10 Downloads) |
The text presents and discusses some of the most influential papers in Matrix Computation authored by Gene H. Golub, one of the founding fathers of the field. Including commentaries by leading experts and a brief biography, this text will be of great interest to students and researchers in numerical analysis and scientific computation.
Author | : Raymond Chan |
Publisher | : OUP Oxford |
Total Pages | : 584 |
Release | : 2007-02-22 |
ISBN-10 | : 0199206813 |
ISBN-13 | : 9780199206810 |
Rating | : 4/5 (13 Downloads) |
The text presents and discusses some of the most influential papers in Matrix Computation authored by Gene H. Golub, one of the founding fathers of the field. The collection of 21 papers is divided into five main areas: iterative methods for linear systems, solution of least squares problems, matrix factorizations and applications, orthogonal polynomials and quadrature, and eigenvalue problems. Commentaries for each area are provided by leading experts: Anne Greenbaum, Ake Bjorck, Nicholas Higham, Walter Gautschi, and G. W. (Pete) Stewart. Comments on each paper are also included by the original authors, providing the reader with historical information on how the paper came to be written and under what circumstances the collaboration was undertaken. Including a brief biography and facsimiles of the original papers, this text will be of great interest to students and researchers in numerical analysis and scientific computation.
Author | : Nicholas J. Higham |
Publisher | : SIAM |
Total Pages | : 710 |
Release | : 2002-01-01 |
ISBN-10 | : 0898718023 |
ISBN-13 | : 9780898718027 |
Rating | : 4/5 (23 Downloads) |
Accuracy and Stability of Numerical Algorithms gives a thorough, up-to-date treatment of the behavior of numerical algorithms in finite precision arithmetic. It combines algorithmic derivations, perturbation theory, and rounding error analysis, all enlivened by historical perspective and informative quotations. This second edition expands and updates the coverage of the first edition (1996) and includes numerous improvements to the original material. Two new chapters treat symmetric indefinite systems and skew-symmetric systems, and nonlinear systems and Newton's method. Twelve new sections include coverage of additional error bounds for Gaussian elimination, rank revealing LU factorizations, weighted and constrained least squares problems, and the fused multiply-add operation found on some modern computer architectures.