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M-矩阵Fan积最小特征值的不等式 被引量:3

Some Inequalities on Minimum Eigenvalue for the Fan Product of M-matrices
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摘要 给出两个非奇异M-矩阵A和B的Fan积最小特征值下界的新估计式,这些估计式只依赖于两个非奇异M-矩阵的元素,易于计算.数值例子表明,新估计式在一定条件下改进了其他已有的结果. New lower bounds on the minimum eigenvalue for the Fan product of two M-matrices A and B are given.The estimating formulas of the bounds only depend on the entries of the M-matrices.Therefore,they are easy to calculate.Numerical example show that the new formulas can improve some existing ones in some cases.
作者 黄宽娜 刘徽 韩仲明 HUANG Kuan-na;LIU Hui;HAN Zhong-ming(College of Mathematics and Information Science,Leshan Normal University,Leshan 614000,China)
出处 《数学的实践与认识》 北大核心 2019年第13期259-264,共6页 Mathematics in Practice and Theory
基金 四川省教育厅资助科研项目“分数阶微积分理论及其应用研究”(16TD0029)
关键词 M-矩阵 Fan积 最小特征值 下界 M-matrix Fan product minimum eigenvalue lower bound
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