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• W4223994168 abstract "In this study, we propose a new single-step iterative method for solving complex linear systems Az≡(W+iT)z=f, where z,f∈Rn, W∈Rn×n and T∈Rn×n are symmetric positive semi-definite matrices such that null(W)∩null(T)={0}. The convergence of the new method is analyzed in detail and discussion on the obtaining the optimal parameter is given. From Wang et al. (2017)[36] we can write W=PTDWP,T=PTDTP, where DW=Diag(μ1,…,μn),DT=Diag(λ1,…,λn), and P∈Rn×n is a nonsingular matrix and λk, μk satisfy μk+λk=1,0≤λk,μk≤1,k=1,…,n. Then we show that under some conditions on μmax=max{μk}k=1n, the new method has faster convergence rate in comparison with recently introduced methods. Finally, some numerical examples are given to demonstrate the efficiency of the new procedure in actual computation." @default.
• W4223994168 created "2022-04-19" @default.
• W4223994168 creator A5024223702 @default.
• W4223994168 creator A5044309986 @default.
• W4223994168 date "2022-08-01" @default.
• W4223994168 modified "2023-09-26" @default.
• W4223994168 title "Single step iterative method for linear system of equations with complex symmetric positive semi-definite coefficient matrices" @default.
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• W4223994168 doi "https://doi.org/10.1016/j.amc.2022.127111" @default.
• W4223994168 hasPublicationYear "2022" @default.
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