On semi-convergence of parameterized SHSS method for a class of singular complex symmetric linear systems

被引：6
|
作者：
Li, Cheng-Liang [1 ,2 ]
Ma, Chang-Feng [1 ]
机构：
[1] Fujian Normal Univ, Sch Math & Informat, Fuzhou 350117, Fujian, Peoples R China
[2] Fujian Normal Univ, FJKLMAA, Fuzhou 350117, Fujian, Peoples R China
来源：
COMPUTERS & MATHEMATICS WITH APPLICATIONS | 2019年 / 77卷 / 02期
基金：
美国国家科学基金会;
关键词：
Complex linear systems; Iterative method; Semi-convergence; Preconditioning; FOURIER COLLOCATION METHODS; HERMITIAN SPLITTING METHODS; HSS METHOD; BIFURCATION;
D O I：
10.1016/j.camwa.2018.09.050
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, we use the parameterized single-step HSS (P-SHSS) iterative method to solve a broad class of singular complex symmetric linear systems. The semi-convergence properties of the P-SHSS method are derived under suitable conditions. Moreover, some properties of the preconditioned matrix and the optimal parameters are analyzed in detail. Numerical experiments are given to support our theoretical results and show the effectiveness of the P-SHSS method either as a solver or as a preconditioner. (C) 2018 Elsevier Ltd. All rights reserved.
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页码：466 / 475
页数：10
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