M-矩阵Hadamard积的特征值新界
Journal of Guizhou University(Natural Science)(2020)
Abstract
依据Gerschgorin定理,对于非奇异M-矩阵Hadamard积的最小特征值下界,给出只与矩阵元素相关且容易计算的新估计式,并从理论和例子两个方面进行分析,以表明本文的新估计式在某些条件下改进了Fiedler和Markham的结论,同时也优于其他的一些结论.
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