A relaxed splitting preconditioner for saddle point problems

被引：5

作者：

Li, Cui-Xia ^{[1
]}

Wu, Shi-Liang ^{[1
]}

Huang, Ai-Qun ^{[2
]}

机构：

[1] Anyang Normal Univ, Sch Math & Stat, Anyang 455000, Peoples R China

[2] Huazhong Univ Sci & Technol, Sch Math & Stat, Wuhan 430074, Peoples R China

来源：

JOURNAL OF NUMERICAL MATHEMATICS | 2015年 / 23卷 / 04期

关键词：

Saddle point problems; Matrix splitting; Preconditioning; Eigenvalue distribution; BLOCK TRIANGULAR PRECONDITIONER; CONJUGATE-GRADIENT METHODS; NUMERICAL-SOLUTION; FACTORIZATION; INEXACT; SYSTEMS;

D O I：

10.1515/jnma-2015-0024

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

In this paper, we introduce a relaxed splitting preconditioner for saddle point problems. Spectral properties of the preconditioned matrix are analyzed and compared with the closely related preconditioner in recent paper [New preconditioners for saddle point problems, Appl. Math. Comput. 172 (2006), 762-771] by Pan et al. Numerical experiments are given to illustrate the efficiency of the proposed precoditioner.

引用

页码：361 / 368

页数：8

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