摘要
本文利用矩阵双对角占优的性质，给出了非奇异Ｍ－矩阵的两个表征，改进了文［１］及文［２］在对角占优条件下给出的结果．
In this paper using properties of bidiagonally dominant matrix, two representations of the nonsingular M-matrices are given and results in [1] and [2] are improved
出处
《新疆大学学报（自然科学版）》
CAS
1996年第1期36-38,共3页
Journal of Xinjiang University(Natural Science Edition)
关键词
双对角占优矩阵
非奇异M-矩阵
矩阵
Bidiagonally dominant matrix
nonsingular M-matrix
chain of nonzero elements
