A Flexible Generalized Conjugate Residual Method with Inner Orthogonalization and Deflated Restarting

DOI10.1137/100786253zbMath1244.65047OpenAlexW2042296983MaRDI QIDQ3225535

Rafael Lago, Serge Gratton, Luiz Mariano Carvalho, Xavier Vasseur

Publication date: 21 March 2012

Published in: SIAM Journal on Matrix Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/100786253

zbMATH Keywords

deflationiterative solverconjugate residual methodvariable preconditioningflexible or inner-outer Krylov subspace methodsgeneralized minimum residual with deflated restartingminimum residual norm subspace methodnon-symmetric or non-Hermitian linear systems

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) Iterative numerical methods for linear systems (65F10) Numerical solution of discretized equations for boundary value problems involving PDEs (65N22) Preconditioners for iterative methods (65F08)

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