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M-矩阵Hadamard积最小特征值的新下界 被引量:1

New Lower Bounds on the Minimum Eigenvalue for the Hadamard Product of M-matrices
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摘要 对于非奇异M-矩阵A与B,利用Brauer定理和逆矩阵元素的范围,给出B·A-1的最小特征值下界的新估计式.理论分析和数值算例结果说明新估计式改进了现有的结果. If Aand Bare nonsingular M-matrices,using the Brauer theorem and the range of the elements of inverse matrix,a new lower bounds on the minimum eigenvalueτ(B·A-1) for the Hadamard product of Band A-1 is given.Theoretical analysis and numerical example showed that new bound improves some existing results.
作者 刘新 杨晓英
出处 《兰州文理学院学报(自然科学版)》 2013年第5期4-6,17,共4页 Journal of Lanzhou University of Arts and Science(Natural Sciences)
基金 四川省教育厅自然科学研究基金项目(13ZB0393) 广元市科学技术和知识产权局科技计划项目(GYST20122733) 四川信息职业技术学院科研项目(2012C01)
关键词 M-矩阵 HADAMARD积 逆矩阵 最小特征值 M-matrix Hadamard product inverse matrix minimum eigenvalue
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参考文献11

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二级参考文献6

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