A Double-Parameter GPMHSS Method for a Class of Complex Symmetric Linear Systems from Helmholtz Equation

Cui-Xia Li and Shi-Liang Wu

Mathematical Problems in Engineering, 2014, vol. 2014, 1-7

Abstract:

Based on the preconditioned MHSS (PMHSS) and generalized PMHSS (GPMHSS) methods, a double-parameter GPMHSS (DGPMHSS) method for solving a class of complex symmetric linear systems from Helmholtz equation is presented. A parameter region of the convergence for DGPMHSS method is provided. From practical point of view, we have analyzed and implemented inexact DGPMHSS (IDGPMHSS) iteration, which employs Krylov subspace methods as its inner processes. Numerical examples are reported to confirm the efficiency of the proposed methods.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:894242

DOI: 10.1155/2014/894242

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