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Title: A new optimized iterative method for solving $M$-matrix linear systems (English)
Author: Fakharzadeh Jahromi, Alireza
Author: Nasseri Shams, Nafiseh
Language: English
Journal: Applications of Mathematics
ISSN: 0862-7940 (print)
ISSN: 1572-9109 (online)
Volume: 67
Issue: 3
Year: 2022
Pages: 251-272
Summary lang: English
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Category: math
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Summary: In this paper, we present a new iterative method for solving a linear system, whose coefficient matrix is an $M$-matrix. This method includes four parameters that are obtained by the accelerated overrelaxation (AOR) splitting and using the Taylor approximation. First, under some standard assumptions, we establish the convergence properties of the new method. Then, by minimizing the Frobenius norm of the iteration matrix, we find the optimal parameters. Meanwhile, numerical results on test examples show the efficiency of the new proposed method in contrast with the Hermitian and skew-Hermitian splitting (HSS), AOR methods and a modified version of the AOR (QAOR) iteration. (English)
Keyword: linear system
Keyword: $M$-matrix
Keyword: optimal parameter
Keyword: Taylor approximation
Keyword: optimization
MSC: 65F10
MSC: 90C99
idZBL: Zbl 07547195
idMR: MR4409306
DOI: 10.21136/AM.2021.0246-20
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Date available: 2022-04-14T13:34:14Z
Last updated: 2022-09-06
Stable URL: http://hdl.handle.net/10338.dmlcz/150314
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