摘要
在块对角占优矩阵和广义块对角占优矩阵的概念的基础上,引入了块局部双对角占优矩阵的概念,应用矩阵分块方法,给出了判定分块矩阵为块广义对角占优矩阵的充分条件。
Based on the concept of block diagonally dominant and block generalized diagonally dominant, we give the definition of block locally double-diagonaUy dominant matrix, and by using the method of block matrices,some sufficient conditions for block generalized diagonally dominant matrix are given.
出处
《北华大学学报(自然科学版)》
CAS
2008年第1期21-24,共4页
Journal of Beihua University(Natural Science)
关键词
块广义对角占优矩阵
块局部双对角占优矩阵
块特征值
Generalized block diagonally dominant matrix
Block locally double-diagonally dominant matrix
Block eigenvalue