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ON THE OPTIMIZATION OF EXTRAPOLATION METHODS FOR SINGULAR LINEAR SYSTEMS 认领 引用
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作者 Li Wang Yongzhong Song 《Journal of Computational Mathematics》 SCIE EI 2008年第2期227-239,共13页
We discuss semiconvergence of the extrapolated iterative methods for solving singular linear systems. We obtain the upper bounds and the optimum convergence factor of the extrapolation method as well as its associated... We discuss semiconvergence of the extrapolated iterative methods for solving singular linear systems. We obtain the upper bounds and the optimum convergence factor of the extrapolation method as well as its associated optimum extrapolation parameter. Numerical examples are given to illustrate the theoretical results. 展开更多
关键词 Singular systems Extrapolated iterative method Semiconvergence Optimum value
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