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矩阵Fan积和Hadamard积的特征值界的新估计

New bounds on eigenvalue of the Fan product and the Hadamard product of matrices
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摘要 给出了M-矩阵Fan积的最小特征值下界和非负矩阵Hadamard积的谱半径上界的新估计式.数值实例说明新估计式在一定条件下改进了现有的一些结果. A new lower bound on the minimum eigenvalue for the Fan product of matrices and a new upper bound on the spectral radius for the Hadamard product of nonnegative matrices are given . Numerical examples show that our derived results improve some existing ones in some cases .
作者 孙德淑
出处 《西北师范大学学报(自然科学版)》 CAS 北大核心 2016年第3期10-13,共4页 Journal of Northwest Normal University(Natural Science)
基金 国家自然科学基金资助项目(11361074) 贵州省科学技术基金资助项目(黔科合J字[2015]2073号) 贵州民族大学引进人才科研基金资助项目(15XRY004)
关键词 M-矩阵 非负矩阵 Fan积 HADAMARD积 最小特征值 谱半径 M-matrix nonnegative matrix Fan product Hadamard product minimum eigenvalue spectral radius
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参考文献10

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