矩阵的r-连对角占优性及应用  

Matrices'r-Connective Diagonally Dominant Matrix and Its Application

作　　者：王永[1] 

机构地区：[1]临沂师范学院费县分校,山东临沂273400

出　　处：《石家庄铁道学院学报》2008年第2期64-65,79,共3页Journal of Shijiazhuang Railway Institute

摘　　要：引进了r-连对角占优矩阵的概念,给出了矩阵广义对角占优的一个充分条件和一类矩阵广义对角占优的充要条件,并且给出了所得定理的应用实例。In this paper, we introduce the concept of r-connective diagonally dominant matrix, give some conditions for a matrix to be generalized as diagonally dominant, and illustrate obtained theorem by a numerical example.

关 键 词：广义对角占优矩阵 非奇M-矩阵 r-连对角占优矩阵 

分 类 号：O151.21[理学—数学]