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CRI迭代法求解复连续Sylvester方程

牟 能刚, 匡 艳, 毛 义坪
重庆对外经贸学院

摘要


本文针对于非Hermitian复对称正定的Sylvester矩阵方程,分析了一类修正的HSS迭代法,在此基础上提出了实部与虚部相结合(CRI)的迭代法.理论分析发现CRI迭代法是无条件收敛的,且迭代矩阵的谱半径的上界比PMHSS迭代法的小.数值试验表明新的迭代算法对于求解大规模连续Sylvester方程是有效的。

关键词


Sylvester方程;预处理;数值实验

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参考


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DOI: http://dx.doi.org/10.18686/gdjy.v4i3.41768

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