摘要
利用α-对角占优矩阵的性质,通过对矩阵元素下标集的划分,给出了广义对角占优矩阵的若干新判据.
Some new criteria for generalized diagonally dominant matrices are obtained,in view of the property of α-diagonally dominant matrix and the partitions of the element's suffix.
出处
《华南师范大学学报(自然科学版)》
CAS
北大核心
2010年第1期24-27,66,共5页
Journal of South China Normal University(Natural Science Edition)
关键词
广义对角占优矩阵
Α-对角占优矩阵
不可约矩阵
非零元素链
generalized diagonally dominant matrix
α-diagonally dominant matrix
irreducible matrix
nonzero elements chain