| 广义次对角占优矩阵的判定 |
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| 引用本文： | 童细心,曹蓉.广义次对角占优矩阵的判定[J].皖西学院学报,2007,23(5):22-25. |
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| 作者姓名： | 童细心 曹蓉 |
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| 作者单位： | 汕头职业技术学院,广东,汕头,515041 |
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| 摘 要： | 首先给出了广义次对角占优矩阵的概念,研究了广义次对角占优矩阵的判定方法,并给出了判断广义次对角占优矩阵的一个充要条件。
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| 关 键 词： | 次对角占优矩阵 严格次对角占优矩阵 广义次对角占优矩阵 次 矩阵. |
| 文章编号： | 1009-9735（2007）05-0022-04 |
| 修稿时间： | 2007-09-20 |
Methods for Judging Generalized Subdiagonally Dominant Matrices |
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| TONG Xi-xin,CAO Rong.Methods for Judging Generalized Subdiagonally Dominant Matrices[J].Journal of Wanxi University,2007,23(5):22-25. |
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| Authors: | TONG Xi-xin CAO Rong |
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| Institution: | Shantou Polytechnic, Shantou 515041, China |
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| Abstract: | We first give the concept of generalized subdiagonally dominant matrices,then study the methods for judging generalized subdiagonally dominant matrices,and obtain a sufficient and necessary condition for judging generalized subdiagonally dominant matrices. |
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| Keywords: | subdiagonally dominant matrices strictly subdiagonally dominant matrices generalized subdiagonally dominant matrices sub M-matrices |
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