| M-矩阵的Hadamard积的最小特征值下界估计 |
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| 引用本文： | 蒋建新,李艳艳. M-矩阵的Hadamard积的最小特征值下界估计[J]. 四川理工学院学报(自然科学版), 2011, 24(1): 48-50 |
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| 作者姓名： | 蒋建新 李艳艳 |
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| 作者单位： | 文山学院数理系,云南,文山,663000 |
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| 摘 要： | 文章给出了非奇异M-矩阵A与非奇异M-矩阵B的逆矩阵的Hadamard积的最小特征值下界的估计式.示例表明,文中所得估计式在某些情况下可得到比现有估计式更为精确的结果.
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| 关 键 词： | M-矩阵 Hadamard积 Perron向量 最小特征值 |
Some Lower Bounds for Minimum Eigenvalue of Hadamard Product of M-matrix and Inverse of M-matrix |
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| JIANG Jian-xing,LI Yan-yan. Some Lower Bounds for Minimum Eigenvalue of Hadamard Product of M-matrix and Inverse of M-matrix[J]. Journal of Sichuan University of Science & Engineering(Natural Science Editton), 2011, 24(1): 48-50 |
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| Authors: | JIANG Jian-xing LI Yan-yan |
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| Affiliation: | JIANG Jian-xing,LI Yan-yan(School of Mathematics and Physics,Wenshan University,Wenshan 663000,China) |
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| Abstract: | Some new lower bounds of the minimum eigenvalue of Hadamard product AB-1 for M-matrix A and the inverse of M-matrix B are given.The given numerical examples show that estimating formules of the bounds are better than seversl known estimating formulas. |
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| Keywords: | M-matrix Hadamard product Perron vector minimum eigenvalue |
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