| 一类非奇H-矩阵的实用判据 |
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| 引用本文： | 岳嵘.一类非奇H-矩阵的实用判据[J].数学的实践与认识,2012,42(19). |
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| 作者姓名： | 岳嵘 |
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| 作者单位： | 山东科技大学理学院,山东青岛,266590 |
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| 基金项目： | 山东科技大学教育教学研究项目 |
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| 摘 要： | 非奇H-矩阵在数值分析和矩阵理论的研究中非常重要,但实际判定一个非奇异H-矩阵却非常困难.给出一类非奇异H-矩阵新的判定条件,改进了近期的相关结果,并用数值例子说明了结果判定范围的更广泛性.
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| 关 键 词： | 非奇H-矩阵 对角占优矩阵 不可约 非零元素链 |
The Practical Determination Criterion about a Kind of Nonsingular H matrix |
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| YUE Rong.The Practical Determination Criterion about a Kind of Nonsingular H matrix[J].Mathematics in Practice and Theory,2012,42(19). |
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| Authors: | YUE Rong |
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| Abstract: | The nonsingular H matrix is important in the numerical analysis and matrix theory's research,but it is actually difficult to determine a nonsingular H matrix.The new determination condition is presented in this paper about a kind of Nonsingular H matrix.It improved current related result,and its determination scope is explained more widespread by the numerical example. |
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| Keywords: | Nonsingular H matrix diagonal-dominant matrix irreducible nonzero chain of element |
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