关于“局部双α-对角占优矩阵”一文的注记

A Note on "Local Double α-Diagonally Dominant Matrices"

应用矩阵对角占优理论，通过数值例子分析，指出已有结论的错误，并对其加以修正，给出非奇异H-矩阵的充分条件．

The paper points out the wrong conclusions. We analyse the reasons of incorrectness, give the revised conclusion at the same time.