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A note on parameterized block triangular preconditioners for generalized saddle point problems
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DOI：10.1016/j.amc.2013.01.040.png)
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In this paper, based on the results presented by Jiang et al. [M.-Q. Jiang, Y. Cao, L.-Q. Yao, On parameterized block triangular preconditioners for generalized saddle point problems, Appl. Math. Comput. 216 (2010) 1777-1789], we consider an indefinite parameterized block triangular preconditioner for symmetric saddle point problems. The eigenvalue bound of the preconditioned matrix is discussed. Some presented results are improved. Numerical experiments are given to confirm our theoretical results. (C) 2013 Elsevier Inc. All rights reserved.
Keyword:
Preconditioner
Saddle point systems
Eigenvalue
期刊
IF:
3.4
论文数:
2.3W
被引数:
3.3W
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