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M-矩阵Hadamard积最小特征值的下界

Lower Bounds for the Minimum Eigenvalue of the Hadamard Product of M-matrices
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摘要 设A是不可约M-矩阵,利用圆盘定理给出AA-1的最小特征值的一些新下界估计式.理论分析与数值算例表明,新估计式有效地改进了现有的一些结果. A is an irreducible M-matrix,in this paper,some new lower bounds for the minimum eigenvalue of A ° A-1are established by using Disk theorem. Theoretical analysis and numerical example show that the new bounds improve several results in the existing literature.
作者 刘新
出处 《宁夏师范学院学报》 2016年第6期1-4,共4页 Journal of Ningxia Normal University
基金 四川省教育厅自然科学基金项目(15ZB0465)
关键词 M-矩阵 HADAMARD积 下界 最小特征值 M-matrix Hadamard product Lower bounds Minimum eigenvalue
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