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Krylov solvers for linear algebraic systems /
The first four chapters of this book give a comprehensive and unified theory of the Krylov methods. Many of these are shown to be particular examples of the block conjugate-gradient algorithm and it is this observation that permits the unification of the theory. The two major sub-classes of those me...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Amsterdam ; Boston :
Elsevier,
2004.
|
| Edición: | 1st ed. |
| Colección: | Studies in computational mathematics ;
11. |
| Temas: | |
| Acceso en línea: | Texto completo Texto completo Texto completo |
MARC
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| 001 | SCIDIR_ocm60745498 | ||
| 003 | OCoLC | ||
| 005 | 20231117014954.0 | ||
| 006 | m o d | ||
| 007 | cr cnu---unuuu | ||
| 008 | 050627s2004 ne ob 001 0 eng d | ||
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| 100 | 1 | |a Broyden, C. G. |q (Charles George) | |
| 245 | 1 | 0 | |a Krylov solvers for linear algebraic systems / |c by Charles George Broyden, Maria Teresa Vespucci. |
| 250 | |a 1st ed. | ||
| 260 | |a Amsterdam ; |a Boston : |b Elsevier, |c 2004. | ||
| 300 | |a 1 online resource (330 pages) | ||
| 336 | |a text |b txt |2 rdacontent | ||
| 337 | |a computer |b c |2 rdamedia | ||
| 338 | |a online resource |b cr |2 rdacarrier | ||
| 490 | 1 | |a Studies in computational mathematics ; |v 11 | |
| 504 | |a Includes bibliographical references (pages 315-325) and index. | ||
| 588 | 0 | |a Print version record. | |
| 505 | 0 | |a Contents -- 1. Introduction. -- 2. The long recurrences. -- 3. The short recurrences. -- 4. The Krylov aspects. -- 5. Transpose-free methods. -- 6. More on QMR. -- 7. Look-ahead methods. -- 8. General block methods. -- 10. And in practice?? -- 11. Preconditioning. -- 12. Duality. -- Appendices. -- A. Reduction of upper Hessenberg matrix to upper triangular form by plane rotations. -- B. Schur complements. -- C. The Jordan form. -- D. Chebychev polynomials. -- E. The companion matrix. -- F. Algorithmic details. | |
| 520 | |a The first four chapters of this book give a comprehensive and unified theory of the Krylov methods. Many of these are shown to be particular examples of the block conjugate-gradient algorithm and it is this observation that permits the unification of the theory. The two major sub-classes of those methods, the Lanczos and the Hestenes-Stiefel, are developed in parallel as natural generalisations of the Orthodir (GCR) and Orthomin algorithms. These are themselves based on Arnoldi's algorithm and a generalised Gram-Schmidt algorithm and their properties, in particular their stability properties, are determined by the two matrices that define the block conjugate-gradient algorithm. These are the matrix of coefficients and the preconditioning matrix. In Chapter 5 the"transpose-free" algorithms based on the conjugate-gradient squared algorithm are presented while Chapter 6 examines the various ways in which the QMR technique has been exploited. Look-ahead methods and general block methods are dealt with in Chapters 7 and 8 while Chapter 9 is devoted to error analysis of two basic algorithms. In Chapter 10 the results of numerical testing of the more important algorithms in their basic forms (i.e. without look-ahead or preconditioning) are presented and these are related to the structure of the algorithms and the general theory. Graphs illustrating the performances of various algorithm/problem combinations are given via a CD-ROM. Chapter 11, by far the longest, gives a survey of preconditioning techniques. These range from the old idea of polynomial preconditioning via SOR and ILU preconditioning to methods like SpAI, AInv and the multigrid methods that were developed specifically for use with parallel computers. Chapter 12 is devoted to dual algorithms like Orthores and the reverse algorithms of Hegedus. Finally certain ancillary matters like reduction to Hessenberg form, Chebychev polynomials and the companion matrix are described in a series of appendices. comprehensive and unified approach up-to-date chapter on preconditioners complete theory of stability includes dual and reverse methods comparison of algorithms on CD-ROM objective assessment of algorithms | ||
| 650 | 0 | |a Equations |x Numerical solutions. | |
| 650 | 0 | |a Algebras, Linear. | |
| 650 | 6 | |a �Equations |x Solutions num�eriques. |0 (CaQQLa)201-0041219 | |
| 650 | 6 | |a Alg�ebre lin�eaire. |0 (CaQQLa)201-0001189 | |
| 650 | 7 | |a MATHEMATICS |x Algebra |x Elementary. |2 bisacsh | |
| 650 | 7 | |a Algebras, Linear |2 fast |0 (OCoLC)fst00804946 | |
| 650 | 7 | |a Equations |x Numerical solutions |2 fast |0 (OCoLC)fst00914494 | |
| 700 | 1 | |a Vespucci, M. T. |q (Maria Teresa) | |
| 776 | 0 | 8 | |i Print version: |a Broyden, C.G. (Charles George). |t Krylov solvers for linear algebraic systems. |b 1st ed. |d Amsterdam ; Boston : Elsevier, 2004 |z 0444514740 |w (OCoLC)56425871 |
| 830 | 0 | |a Studies in computational mathematics ; |v 11. | |
| 856 | 4 | 0 | |u https://sciencedirect.uam.elogim.com/science/book/9780444514745 |z Texto completo |
| 856 | 4 | 0 | |u https://sciencedirect.uam.elogim.com/science/publication?issn=1570579X&volume=11 |z Texto completo |
| 856 | 4 | 0 | |u https://sciencedirect.uam.elogim.com/science/bookseries/1570579X/11 |z Texto completo |