| 亚正定矩阵的判定方法 |
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| 引用本文： | 徐猛. 亚正定矩阵的判定方法[J]. 甘肃联合大学学报(自然科学版), 2001, 15(3): 4-7 |
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| 作者姓名： | 徐猛 |
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| 作者单位： | 西北工业大学应用数学系, |
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| 摘 要： | 给出一个利用低阶矩阵的亚正定性来判断高阶矩阵的亚正定性的充分必要条件 ,其次从多个方面得出亚正定矩阵的若干判定准则 .
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| 关 键 词： | 亚正定矩阵 正定矩阵 主子阵 |
| 文章编号： | 1007-9912(2001)03-0004-04 |
| 修稿时间： | 2001-02-26 |
Some Determinate Criterions for Positive Subd efinite Matrices |
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| XU Meng. Some Determinate Criterions for Positive Subd efinite Matrices[J]. Journal of Gansu Lianhe University :Natural Sciences, 2001, 15(3): 4-7 |
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| Authors: | XU Meng |
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| Abstract: | The necessary and sufficient condition which determinate positive subdefinity of higher order matrices by positive subdefinity of lower order matrices is obtained.Different determinate criterions for the positive subdefinite matrices are also obtained from different conditions. |
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| Keywords: | positive definite matrix positive subdefinite matrix principal submatrix |
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