| 广义对角占优矩阵的新判定 |
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| 引用本文： | 王峰,贾冠军.广义对角占优矩阵的新判定[J].江南大学学报(自然科学版),2009,8(2). |
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| 作者姓名： | 王峰 贾冠军 |
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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： | 荷泽学院研究与发展项目 |
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| 摘 要： | 针对广义对角占优矩阵在实际应用中判别的困难,研究了广义对角占优矩阵的判定问题,给出了几个新的判定条件, 改进了近期的相关结果,并用数值例子说明所得结果判定范围的更加广泛性.
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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 |
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| WANG Feng,JIA Guan-jun.New Criteria for Generalized Diagonally Dominant Matrices[J].Journal of Southern Yangtze University:Natural Science Edition,2009,8(2). |
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| Authors: | WANG Feng JIA Guan-jun |
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| Institution: | Department of Mathematics;Heze University;Heze 274015;China |
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| Abstract: | In practice,it is difficult to determine a generalized diagonally dominant matrix.This paper studies the criteria for generalized diagonally dominant matrices.Some new sufficient conditions are given and some related results are obtained.The advantages are 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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