| 黎国玲.广义次对角占优矩阵的充分条件[J].南华大学学报(自然科学版),2004,(4):95~98.[.The Sufficient Conditions of the Generalized Sub-Diagonally Dominant Matrices[J].Journal of University of South China(Science and Technology),2004,(4):95~98.] |
| 广义次对角占优矩阵的充分条件 |
| The Sufficient Conditions of the Generalized Sub-Diagonally Dominant Matrices |
| 修订日期：2004-09-20 |
| DOI： |
| 中文关键词: 正对角矩阵 广义次对角占优矩阵 局部双次对角占优矩阵 充分条件 |
| 英文关键词:positive diagonal matrix,generalized sub-diagonally dominant matrices,local double sub-diagonally dominant matrices. |
| 基金项目: |
| 黎国玲 |
| 湖南建材高等专科学校基础部,湖南衡阳421008 |
| 摘要点击次数: 839 |
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| 中文摘要: |
| 提出局部次对角占优矩阵的概念，得到了广义次对角占优矩阵的二个充分条件．给出了数值例子说明有效性。 |
| 英文摘要: |
| The concept of local double diagonally matrix is introduced in this paper,and three sufficient conditions of the generalized sub-diagonally dominant matrices are obtained. Its effective ness is illustrated by some numerical examples. |
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