A note on constraint preconditioning or nonsymmetric indefinite matrices

被引:37
|
作者
Cao, ZH [1 ]
机构
[1] Fudan Univ, Dept Math, Shanghai 200433, Peoples R China
[2] Fudan Univ, Lab Math Nonlinear Sci, Shanghai 200433, Peoples R China
关键词
preconditioning; indefinite matrix; minimal polynomial;
D O I
10.1137/S0895479801391424
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The constraint preconditioner for indefinite linear systems in [ C. Keller, N. I. M. Gould, and A. J. Wathen, SIAM J. Matrix Anal. Appl., 21 ( 2000), pp. 1300 1317] is extended to nonsymmetric matrices.
引用
收藏
页码:121 / 125
页数:5
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