几类弱严格对角占优矩阵奇异性的分析  

Analysis of the Singularity of Several Kinds of Weakly Strictly Diagonally Dominant Matrices

作　　者：郝芳[1] 李亚芹[1] 

机构地区：[1]昆明学院初等教育系,云南昆明650202

出　　处：《楚雄师范学院学报》2010年第12期29-31,共3页Journal of Chuxiong Normal University

基　　金：云南昆明学院基金项目;项目编号:2009L020

摘　　要：分析几类弱严格对角占优矩阵内部结构,主要研究了几类弱严格对角占优矩阵的奇异性,并由此得出了几类弱严格对角占优矩阵的几个新的性质。In this paper,the internal structure of several kinds of weakly strictly diagonally dominant matrices is analyzed.Some critical theorems for several kinds of weakly strictly diagonally dominant matrices being H-matrices are established by Studying the singularity of several classes of weakly strictly diagonally dominant matrices.

关 键 词：对角占优矩阵 弱严格对角占优矩阵 奇异性 H-阵 

分 类 号：O151.21[理学—数学]