摘要
本文引入了α－双对角占优的概念，进而给出了若干个判定M－矩阵的充分条件及充分必要条件．
In this paper, we introduce the concept of α-bidiagonal dominance matrices, and obtain a necessary and sufficient condition and some sufficient conditions of these matrices to be M-matrices.
出处
《应用数学学报》
CSCD
北大核心
1998年第4期535-538,共4页
Acta Mathematicae Applicatae Sinica
