Quasi-minimal residual smoothing technique for the IDR($s$) method

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概要

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• The IDR($s$) proposed by Sonneveld and Gijzen is an efficient method for solving large nonsymmetric linear systems. In this paper, QMRIDR($s$), a new variant of the IDR($s$) method is presented. In this method, the irregular convergence behavior of IDR($s$) is remedied and both the fast and smooth convergence behaviors are expected. Numerical experiments are reported to show the performance of our method.

著者

• Zhang Shao-liang

  Department Of Applied Physics University Of Tokyo

• Du Lei

  Department of Computational Science and Engineering, Nagoya University

• Sogabe Tomohiro

  Graduate School of Information Science and Technology, Aichi Prefectural University

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