A note for preconditioning nonsymmetric matrices |
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| Authors: | Xiao-shan Chen Wen Li |
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| Affiliation: | School of Mathematics, South China Normal University, Guangzhou 510631, China |
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| Abstract: | In this paper, we consider preconditioners for generalized saddle point systems with a nonsymmetric coefficient matrix. A constraint preconditioner for this systems is constructed, and some spectral properties of the preconditioned matrix are given. Our results extend the corresponding ones in [3] and [4]. |
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| Keywords: | Preconditioner saddle point matrix minimal polynomial Schilder's factorization |
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