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Advanced Computational Intelligence: An International Journal (ACII)

 ISSN : 2454 - 3934

https://airccse.org/journal/acii/index.html

An Intelligent Method for Accelerating the Convergence of Different Versions of SGMRES Algorithm

Authors

Mohadeseh Entezari Zarch, Seyed AbolfazlShahzadeh Fazeli and Mohammad Bagher Dowlatshahi, Yazd University, Iran

Abstract

In a wide range of applications, solving the linear system of equations Ax = b is appeared. One of the best methods to solve the large sparse asymmetric linear systems is the simplified generalized minimal residual (SGMRES(m)) method. Also, some improved versions of SGMRES(m) exist: SGMRES-E(m, k) and SGMRES-DR(m, k). In this paper, an intelligent heuristic method for accelerating the convergence of three methods SGMRES(m), SGMRES-E(m, k), and SGMRES-DR(m, k) is proposed. The numerical results obtained from implementation of the proposed approach on several University of Florida standard matrixes confirm the efficiency of the proposed method. 

Keywords

Artificial Intelligence, Heuristic Algorithms, Linear systems of equations, SGMRES. 


pdf link --https://aircconline.com/acii/V3N2/3216acii01.pdf



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