摘要
提出局部次对角占优矩阵的概念,得到了广义次对角占优矩阵的二个充分条件.给出了数值例子说明有效性.
The concept of local double diagonally matrix is introduced in this paper,and three sufficient conditions of the generalized sub-diagonally dominant matrices are obtained. Its effective ness is illustrated by some numerical examples.
出处
《南华大学学报（自然科学版）》
2004年第4期95-97,101,共4页
Journal of University of South China：Science and Technology
关键词
正对角矩阵
广义次对角占优矩阵
局部双次对角占优矩阵
充分条件
positive diagonal matrix
generalized sub-diagonally dominant matrices
local double sub-diagonally dominant matrices.
