Preconditioning

AJ Wathen - Acta Numerica, 2015 - cambridge.org
The computational solution of problems can be restricted by the availability of solution
methods for linear (ized) systems of equations. In conjunction with iterative methods …

GMRES algorithms over 35 years

Q Zou - Applied Mathematics and Computation, 2023 - Elsevier
This paper is about GMRES algorithms for the solution of nonsingular linear systems. We
first consider basic algorithms and study their convergence. We then focus on acceleration …

A survey of subspace recycling iterative methods

KM Soodhalter, E de Sturler, ME Kilmer - GAMM‐Mitteilungen, 2020 - Wiley Online Library
This survey concerns subspace recycling methods, a popular class of iterative methods that
enable effective reuse of subspace information in order to speed up convergence and find …

A framework for deflated and augmented Krylov subspace methods

A Gaul, MH Gutknecht, J Liesen, R Nabben - SIAM Journal on Matrix Analysis …, 2013 - SIAM
We consider deflation and augmentation techniques for accelerating the convergence of
Krylov subspace methods for the solution of nonsingular linear algebraic systems. Despite …

Krylov methods for nonsymmetric linear systems

G Meurant, JD Tebbens - Cham: Springer, 2020 - Springer
Solving systems of algebraic linear equations is among the most frequent problems in
scientific computing. It appears in many areas like physics, engineering, chemistry, biology …

[图书][B] A Journey through the History of Numerical Linear Algebra

C Brezinski, G Meurant, M Redivo-Zaglia - 2022 - SIAM
A Journey through the History of Numerical Linear Algebra: Back Matter Page 1 Bibliography
[1] A. Abdelfattah, H. Anzt, A. Bouteiller, A. Danalis, JJ Dongarra, M. Gates, A. Haidar, J. Kurzak …

An improved two‐grid preconditioner for the solution of three‐dimensional Helmholtz problems in heterogeneous media

H Calandra, S Gratton, X Pinel… - … Linear Algebra with …, 2013 - Wiley Online Library
In this paper, we address the solution of three‐dimensional heterogeneous Helmholtz
problems discretized with second‐order finite difference methods with application to …

Block GMRES method with inexact breakdowns and deflated restarting

E Agullo, L Giraud, YF Jing - SIAM Journal on Matrix Analysis and Applications, 2014 - SIAM
We consider the solution of large linear systems with multiple right-hand sides using a block
GMRES approach. We introduce a new algorithm that effectively handles the situation of …

Block Krylov subspace recycling for shifted systems with unrelated right-hand sides

KM Soodhalter - SIAM Journal on Scientific Computing, 2016 - SIAM
Many Krylov subspace methods for shifted linear systems take advantage of the invariance
of the Krylov subspace under a shift of the matrix. However, exploiting this fact in the non …

Comparative study of inner–outer Krylov solvers for linear systems in structured and high-order unstructured CFD problems

M Jadoui, C Blondeau, E Martin, F Renac, FX Roux - Computers & Fluids, 2022 - Elsevier
Advanced Krylov subspace methods are investigated for the solution of large sparse linear
systems arising from stiff adjoint-based aerodynamic shape optimization problems. A special …