A class of constraint preconditioners for nonsymmetric saddle point matrices

被引：0
|
作者：
Z.-H. Cao
机构：
[1] Fudan University,School of Mathematical Sciences and Laboratory of Mathematics for Nonlinear Sciences
来源：
Numerische Mathematik | 2006年 / 103卷
关键词：
Preconditioner; Saddle point matrix; Minimal polynomial; Schilders' factorization; 65F10; 65F15;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We consider the use of a class of constraint preconditioners for the application of the Krylov subspace iterative method to the solution of large nonsymmetric, indefinite linear systems. The eigensolution distribution of the preconditioned matrix is determined and the convergence behavior of a Krylov subspace method such as GMRES is described. The choices of the parameter matrices and the implementation of the preconditioning step are discussed. Numerical experiments are presented.
引用
收藏
页码：47 / 61
页数：14
相关论文
共 50 条
12345