Block Preconditioners for Complex Symmetric Linear System with Two-by-Two Block Form

被引：0

作者：

Wu, Shi-Liang ^{[1
]}

Li, Cui-Xia ^{[1
]}

机构：

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

来源：

MATHEMATICAL PROBLEMS IN ENGINEERING | 2015年 / 2015卷

关键词：

ITERATIVE METHODS; VARIANTS;

D O I：

10.1155/2015/618380

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Based on the previous work by Zhang and Zheng (A parameterized splitting iteration method for complex symmetric linear systems, Japan J. Indust. Appl. Math., 31 (2014) 265-278), three block preconditioners for complex symmetric linear system with two-by-two block form are presented. Spectral properties of the preconditioned matrices are discussed in detail. It is shown that all the eigenvalues of the preconditioned matrices are well-clustered. Numerical experiments are reported to illustrate the efficiency of the proposed preconditioners.

引用

页数：9

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