ISSN (Print): 3079-4722 ISSN (Online): 3079-4722
International Journal of Unique and New Updates, Hong Kong, ISSN: 3079-4722 Official Publication of Octopus Publication, Hong Kong
Cover of January-June 2025
research article

A New Preconditioned Gauss-Seidel Method faster than the Classical Gauss-Seidel Method

  • Anamul Haque Laskar

Vol. 7 , Issue 1 (2025) Β· pp. 194-198

DOI: 10.64180/ijunu.712517

Abstract

In this paper, we present a new preconditioned Gauss-Seidel (GS) method for solving the linear system 𝐴π‘₯ = 𝑏 and compared the proposed method with the standard Gauss-Seidel method. We produced some comparison theorems to show the efficiency of the proposed method. Numerical examples are also being studied to know the rate of convergence, memory requirements and time to converge. Finally, the numerical experiments show that the proposed method is better than the standard Gauss-Seidel method, the preconditioned GS methods with the preconditioners such as 𝐼 + 𝐢 6 , 𝐼 + 𝑃1 8 and 𝐼 + 𝑃2 8 .

Keywords: Preconditioning Convergence Z-matrix Spectral radius GS method.
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