摘要
本文给出了广义对角占优矩阵的几个充要条件，同时给出了Ａ∈Ｌ是Ｍ－矩阵的充要条件，推广了文［２］、［３］的结果．
In this paper, we give some sufficient and necessary conditions for generalized diagonally dominant matrices. At the same time, we also give the sufficient and necessary conditions for M - matrix, which generalized the results in [2]、[3].
出处
《杭州教育学院学报》
CAS
1999年第6期8-12,共5页
JOURNAL OF HANGZHOU EDUCATIONAL INSTITUTE
基金
浙江省自然科学基金!(197033)
杭州师范学院科研基金!(97XD110)
关键词
广义对角占优
2-块判别
M-矩阵
generalized diagonally dominant
2-block determint
M-matrix
