非奇异H矩阵的几个迭代判定条件  

Several Iterative Conditions for Nonsingular H-matrices

作　　者：李真好 莫宏敏 LI Zhen-hao;MO Hong-min(Jishou University,Jishou,Hunan,416000,China)

机构地区：[1]吉首大学,湖南吉首416000

出　　处：《凯里学院学报》2018年第6期18-21,共4页Journal of Kaili University

摘　　要：非奇异H矩阵是一类应用较为广泛的特殊矩阵.根据非奇异H矩阵的性质,选取递进元素,构造正对角因子,得出非奇异H矩阵的几个新的判定条件,改进并推广相关文献的结果,并用数值例子说明该判定的优越性.The nonsinggular H-matrix is a special class of matrices with wide applications.According to the properties of nonsingular H-matrix,we select progressive elements,structure positive diagonal factors,and obtain several new iterative criteria of nonsingular H-matrices,which improve and extend some related results.Effectiveness of such criteria is illustrated by a numerical example.

关 键 词：非奇异H矩阵 α-链对角占优矩阵 不可约 非零元素链 

分 类 号：O151.21[理学—数学]