| 广义对角占优矩阵与非奇M-矩阵的新判定 |
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| 引用本文： | 王峰.广义对角占优矩阵与非奇M-矩阵的新判定[J].贵州大学学报(自然科学版),2011,28(6):1-4. |
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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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| 基金项目： | 国家自然科学基金项目(10961027,71161020);菏泽学院研究与发展项目(XY08SX01) |
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| 摘 要： | 给出了广义对角占优矩阵及其比较阵为非奇M-矩阵的几个新的充分条件,并用数值例子说明了所得结果的有效性.
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| 关 键 词： | 广义对角占优矩阵 非奇M-矩阵 非零元素链 |
New Criteria for Generalized Diagonally Dominant Matrices and nonsingular M-matrix |
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| WANG Feng.New Criteria for Generalized Diagonally Dominant Matrices and nonsingular M-matrix[J].Journal of Guizhou University(Natural Science),2011,28(6):1-4. |
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| Authors: | WANG Feng |
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| Institution: | WANG Feng* (Department of Mathematics,Heze University,Heze 274015,China) |
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| Abstract: | In this paper,we give some sufficient conditions for a matrix to be generalized diagonally dominant matrix and comparative matrix to be nonsingular M-matrix.Advantage of results obtained is illustrated by a numerical example. |
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| Keywords: | generalized diagonally dominant matrix nonsingular M-matrix chain of nonzero elements |
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