弱广义对角占优矩阵的新性质 |
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引用本文: | 张泰,朱艳,张成毅,苗俊红.弱广义对角占优矩阵的新性质[J].海南师范学院学报,2007,20(2):97-100. |
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作者姓名: | 张泰 朱艳 张成毅 苗俊红 |
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作者单位: | [1]海南师范大学数学系,海南海口571158 [2]电子科技大学应用数学学院,四川成都610054 [3]西安交通大学理学院,陕西西安710049 |
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基金项目: | 云南省教育厅基金资助项目(032169A);云南大学理科校级科研基金资助项目(20032013B) |
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摘 要: | 给出了弱广义对角占优矩阵必有对角占优行这一结论,并证明当弱广义对角占优矩阵为不可约时,该结果还可以有更好的改进.
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关 键 词: | 对角占优矩阵 弱广义对角占优矩阵 不可约 |
文章编号: | 1671-8747(2007)02-0097-04 |
收稿时间: | 2007-01-08 |
New properties of weakly generalized diagonally dominant matrix |
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Authors: | Zhang Tai Zhu Yan Zhang Chengyi Miao Junhong |
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Abstract: | In this paper, we obtained a weakly generalized diagonally dominant matrix that must have at least one diagonally dominant row, Moreover, it is proved that this result can be improved under the condition of irreducibility. |
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Keywords: | diagonally dominant matrix weakly generalized diagonally dominant matrix irreducibility |
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