摘要
设A和B是非奇异M-矩阵,给出了关于A和B-1的Hadamard积的最小特征值下界τ(A°B-1)的一个新估计式,该结果改进了文献[4]的结果.
If A and B are n × n nonsingular M - matrices, a new lower bound on the smallest eigenvalue T(A°B^-1 ) for the Hadamard product of A and B^-1 is given. This bound improves the result of [4].
出处
《数学理论与应用》
2014年第2期42-48,共7页
Mathematical Theory and Applications
基金
Supported by Scientific Research Fund of Yunnan Provincial Education Department(2013C165)