Convergence analysis of superoptimal PCG
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Seak-Weng Vong; Wei Wang; Xiao-Qing Jin
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Article
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2008
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Elsevier Science
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English
β 177 KB
Recently, Lu and Hurvich [Y. Lu, C. Hurvich, On the complexity of the preconditioned conjugate gradient algorithm for solving toeplitz systems with a Fisher-Hartwig singularity, SIAM J. Matrix Anal. Appl. 27 (2005) 638-653] used the preconditioned conjugate gradient method with the optimal circulant