Year: 2014
Journal of Computational Mathematics, Vol. 32 (2014), Iss. 4 : pp. 442–455
Abstract
A new HSS-like iterative method is first proposed based on HSS-like splitting of non-Hermitian (1,1) block for solving saddle point problems. The convergence analysis for the new method is given. Meanwhile, we consider the solution of saddle point systems by preconditioned Krylov subspace method and discuss some spectral properties of the preconditioned saddle point matrices. Numerical experiments are given to validate the performances of the preconditioners.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/10.4208/jcm.1403-m4390
Journal of Computational Mathematics, Vol. 32 (2014), Iss. 4 : pp. 442–455
Published online: 2014-01
AMS Subject Headings:
Copyright: COPYRIGHT: © Global Science Press
Pages: 14
Keywords: Saddle point problem Non-Hermitian positive definite matrix HSS-like splitting Preconditioning.
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