摘要
利用广义α-对角占优矩阵,给出了H-矩阵的几个充分条件,深化和改进了以前的一些结果.最后,用数值例子表明该文方法的优势.
By using of generalized α-diagonal dominance, some new sufficient conditions for H-matrices are obtained. Some previous works are improved. At last, an examples are used to show the advantage of results in this paper.
出处
《广州大学学报(自然科学版)》
CAS
2007年第4期9-12,共4页
Journal of Guangzhou University:Natural Science Edition
关键词
H-矩阵
严格α-对角占优
广义α-对角占优
非零元素链
不可约
H-matrices
strictly α-diagonal dominance
generalized a-diagonal dominance
nonzero elements chain
irreducibility