对角占优矩阵和块对角占优矩阵的判定  

Criteria conditions for generalized diagonally dominant matrix and block diagonally dominant matrix

作　　者：马玉洁[1] 

机构地区：[1]商丘师范学院计算机科学系,河南商丘476000

出　　处：《郑州轻工业学院学报（自然科学版）》2010年第5期109-112,共4页Journal of Zhengzhou University of Light Industry:Natural Science

基　　金：河南省基础与前沿技术研究计划项目(092300410220)

摘　　要：基于α-对角占优矩阵概念,给出了广义严格对角占优矩阵新的判定条件,改进和推广了先前有关文献的相应结果.Based on the concept of α-diagonally dominant matrix,some new criteria conditions for generalized strictly diagonally dominant matrix was given,thus the corresponding results in literature are generalized and improved.

关 键 词：广义对角占优矩阵 Α-对角占优矩阵 判定条件 

分 类 号：O151.21[理学—数学]