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
收藏
页码：361 / 368
页数：8
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