| 广义次对角占优矩阵的判定方法 |
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| 引用本文： | 田素霞 宋崇学. 广义次对角占优矩阵的判定方法[J]. 西南民族学院学报(自然科学版), 2001, 27(1): 24-26 |
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| 作者姓名： | 田素霞 宋崇学 |
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| 作者单位： | [1]商丘师院数学系，河南商丘476000 [2]民权师范学校，河南民极476800 |
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| 摘 要： | 给出广义次对角占优矩阵新的判定准则，也得到了非广义次对角占优矩阵的判定方法。
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| 关 键 词： | 广义次对角占优矩阵 正对角矩阵 判定准则 判定方法 非零元素链 严格不等式 |
| 文章编号： | 1003-2843(2001)01-0024-03 |
| 修稿时间： | 2000-12-13 |
Griteria Methods for Generalized Subdiagonally Dominant Matrices |
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| TIAN Su-xia ,SONG Chong-xue. Griteria Methods for Generalized Subdiagonally Dominant Matrices[J]. Journal of Southwest Nationalities College(Natural Science Edition), 2001, 27(1): 24-26 |
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| Authors: | TIAN Su-xia SONG Chong-xue |
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| Affiliation: | TIAN Su-xia 1,SONG Chong-xue 2 |
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| Abstract: | In this paper,we provide some new necessary and sufficient criteria conditions for generalized subdiagonally dominant matrices and also obtain some criteria for nongeneralized subdiagonally dominant matrices. |
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| Keywords: | generalized subdiagonally dominant matrix positive diagonal matrix criteria condition |
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