| 广义严格对角占优矩阵的判定准则 |
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| 引用本文： | 王峰. 广义严格对角占优矩阵的判定准则[J]. 汕头大学学报(自然科学版), 2007, 22(3): 5-9 |
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| 作者姓名： | 王峰 |
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| 作者单位： | 菏泽学院数学系,山东,菏泽,274015 |
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| 摘 要： | 引进r-对角占优矩阵概念,给出广义严格对角占优矩阵几个新的充分条件,并用数值例子说明所得结果的有效性.
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| 关 键 词： | 广义严格对角占优矩阵 非奇M-矩阵 r-对角占优矩阵 非零元素链 |
| 文章编号： | 1001-4217（2007）03-0005-05 |
| 收稿时间： | 2007-03-25 |
| 修稿时间： | 2007-03-25 |
Criteria for Generalized Strictly Diagonally Dominant Matrices |
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| WANG Feng. Criteria for Generalized Strictly Diagonally Dominant Matrices[J]. Journal of Shantou University(Natural Science Edition), 2007, 22(3): 5-9 |
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| Authors: | WANG Feng |
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| Affiliation: | Department of Mathematics, Heze University, Heze 274015, Shandong, China |
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| Abstract: | In this paper, the concept of r-diagonally dominant matrix is introduced and some sufficient conditions are given for a matrix to be generalized strictly diagonally dominant. Advantages of obtained results are illustrated by a numerical example. |
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| Keywords: | generalized strictly diagonally dominant matrix nonsingular M-matrix r-diagonallydominant matrix chain of nonzero elements |
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