摘要
本文根据α-对角占优矩阵与非奇H-矩阵的关系,利用细分区间和构造迭代系数的方法,给出了非奇H-矩阵的一组细分迭代判定条件,推广和改进了近期的一些结果,并通过数值算例说明了该判定条件的有效性.
In this paper, by the method of subdivided region and selecting iterative coefficient, a set of subdivided and iterative criteria for nonsingular H-matrices are obtained according to the relations of α-diag onally dominance matrices and nonsingular H-matrices, which extend and improve some related results. Effectiveness of such criteria is illustrated by numerical examples .
出处
《应用数学学报》
CSCD
北大核心
2014年第6期1130-1139,共10页
Acta Mathematicae Applicatae Sinica
基金
国家自然科学基金(10802068)资助项目
关键词
非奇H矩阵
Α-对角占优矩阵
不可约
非零元素链
nonsingular H-matrix
α-diagonally dominance matrix
irreducibility
non-zero elements chain
