9783034872263 - Refined Iterative Methods for Computation of the Solution and the Eigenvalues of Self-Adjoint Boundary Value Problems: 8 di ENGELI, .; GINSBURG; STIEFEL; RUTISHAUSE... (13 risultati)

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Taschenbuch. Condizione: Neu. Druck auf Anfrage Neuware - Printed after ordering - I: The Self-Adjoint Boundary Value Problem.- 1. Problems of Dirichlet¿s and Poisson¿s type.- 2. Better approximations.- 3. Energy on the boundary.- 4. Eigenvalue problems.- 5. Biharmonic problems.- 6. Adaption for practical purposes; the test example.- 7. Modes of oscillation of the plate.- II: Theory of Gradient Methods.- 1. Introduction.- 2. The residual polynomial.- 3. Methods with two-term recursive formulae.- 4. Methods with three-term recursive formulae.- 5. Combined methods.- 6. The cgT-method.- 7. Determination of eigenvalues.- III: Experiments on Gradient Methods.- 1. Introduction.- 2. Survey of the plate experiments.- 3. Solution of the system A x + b = 0 (Plate problem with coarse grid).- 3.1 Steepest descent.- 3.2 Tchebycheff method.- 3.3 Conjugate gradient methods.- 3.4 The cgT-method.- 3.5 Combined method.- 3.6 Elimination.- 3.7 Computation of the residuals.- 4. Determination of the eigenvalues of A.- 4.1 Conjugate gradient methods with subsequent QD-algorithm.- 4.2 cgT-method with subsequent QD-algorithm (spectral transformation).- 5. Solution of the system A x + b =0 and determination of the eigenvalues of A; fine grid.- 6. Second test example: the bar problem.- 7. Appendix: The first three eigenvectors of A.- IV: Overrelaxation.- 1. Theory.- 1.1 Principles.- 1.2 General relaxation.- 1.3 Overrelaxation.- 1.4 ¿Property A¿.- 1.5 Young¿s overrelaxation.- 1.6 Different methods.- 2. Numerical results (Plate problem).- 2.1 Overrelaxation.- 2.2 Symmetric relaxation.- 2.3 Block relaxation.- 3. The bar problem.- 3.1 Overrelaxation.- 3.2. Block relaxation.- 3.3 Symmetric overrelaxation.- V: Conclusions.- 1. The plate problem.- 2. The bar problem.- 3. Computation of eigenvalues.- 4. Recollection of the facts.- References.

Taschenbuch. Condizione: Neu. Refined Iterative Methods for Computation of the Solution and the Eigenvalues of Self-Adjoint Boundary Value Problems | Engeli (u. a.) | Taschenbuch | Mitteilungen aus dem Institut für Angewandte Mathematik | 107 S. | Englisch | 2012 | Birkhäuser | EAN 9783034872263 | Verantwortliche Person für die EU: Springer Basel AG in Springer Science + Business Media, Heidelberger Platz 3, 14197 Berlin, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.

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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -I: The Self-Adjoint Boundary Value Problem.- 1. Problems of Dirichlet¿s and Poisson¿s type.- 2. Better approximations.- 3. Energy on the boundary.- 4. Eigenvalue problems.- 5. Biharmonic problems.- 6. Adaption for practical purposes; the test example.- 7. Modes of oscillation of the plate.- II: Theory of Gradient Methods.- 1. Introduction.- 2. The residual polynomial.- 3. Methods with two-term recursive formulae.- 4. Methods with three-term recursive formulae.- 5. Combined methods.- 6. The cgT-method.- 7. Determination of eigenvalues.- III: Experiments on Gradient Methods.- 1. Introduction.- 2. Survey of the plate experiments.- 3. Solution of the system A x + b = 0 (Plate problem with coarse grid).- 3.1 Steepest descent.- 3.2 Tchebycheff method.- 3.3 Conjugate gradient methods.- 3.4 The cgT-method.- 3.5 Combined method.- 3.6 Elimination.- 3.7 Computation of the residuals.- 4. Determination of the eigenvalues of A.- 4.1 Conjugate gradient methods with subsequent QD-algorithm.- 4.2 cgT-method with subsequent QD-algorithm (spectral transformation).- 5. Solution of the system A x + b =0 and determination of the eigenvalues of A; fine grid.- 6. Second test example: the bar problem.- 7. Appendix: The first three eigenvectors of A.- IV: Overrelaxation.- 1. Theory.- 1.1 Principles.- 1.2 General relaxation.- 1.3 Overrelaxation.- 1.4 ¿Property A¿.- 1.5 Young¿s overrelaxation.- 1.6 Different methods.- 2. Numerical results (Plate problem).- 2.1 Overrelaxation.- 2.2 Symmetric relaxation.- 2.3 Block relaxation.- 3. The bar problem.- 3.1 Overrelaxation.- 3.2. Block relaxation.- 3.3 Symmetric overrelaxation.- V: Conclusions.- 1. The plate problem.- 2. The bar problem.- 3. Computation of eigenvalues.- 4. Recollection of the facts.- References. 108 pp. Englisch.

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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -I: The Self-Adjoint Boundary Value Problem.- 1. Problems of Dirichlet's and Poisson's type.- 2. Better approximations.- 3. Energy on the boundary.- 4. Eigenvalue problems.- 5. Biharmonic problems.- 6. Adaption for practical purposes; the test example.- 7. Modes of oscillation of the plate.- II: Theory of Gradient Methods.- 1. Introduction.- 2. The residual polynomial.- 3. Methods with two-term recursive formulae.- 4. Methods with three-term recursive formulae.- 5. Combined methods.- 6. The cgT-method.- 7. Determination of eigenvalues.- III: Experiments on Gradient Methods.- 1. Introduction.- 2. Survey of the plate experiments.- 3. Solution of the system A x + b = 0 (Plate problem with coarse grid).- 4. Determination of the eigenvalues of A.- 5. Solution of the system A x + b =0 and determination of the eigenvalues of A; fine grid.- 6. Second test example: the bar problem.- 7. Appendix: The first three eigenvectors of A.- IV: Overrelaxation.- 1. Theory.- 2. Numerical results (Plate problem).- 3. The bar problem.- V: Conclusions.- 1. The plate problem.- 2. The bar problem.- 3. Computation of eigenvalues.- 4. Recollection of the facts.- References.Springer Nature c/o IBS, Benzstrasse 21, 48619 Heek 108 pp. Englisch.