| Ostrowski定理的推广与非奇异H-矩阵的实用判定 |
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| 引用本文： | 韩贵春,钱茜,张俊丽.Ostrowski定理的推广与非奇异H-矩阵的实用判定[J].纯粹数学与应用数学,2013(6):601-608. |
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| 作者姓名： | 韩贵春 钱茜 张俊丽 |
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| 作者单位： | 内蒙古民族大学数学学院,内蒙古 通辽,028043;电子科技大学成都学院文理系,四川 成都,611731 |
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| 基金项目： | 内蒙古民族大学科学研究基金（NMD1226）. |
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| 摘 要： | 利用α2-双对角占优理论，给出了几个判定非奇异H-矩阵的充分条件，扩大了非奇异H-矩阵的判定范围，并给出了相应的数值算例说明结果的有效性．
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| 关 键 词： | 非奇异H-矩阵 双对角占优矩阵 非零元素链 |
Generalizations Ostrowski/s theorem and practical criteria for H-matrices |
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| Han Guichun,Qian Qian,Zhang Junli.Generalizations Ostrowski/s theorem and practical criteria for H-matrices[J].Pure and Applied Mathematics,2013(6):601-608. |
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| Authors: | Han Guichun Qian Qian Zhang Junli |
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| Institution: | 1 (1. School of Mathematics, Inner Mongolia University for the Nationalities, Tongliao 028043, China; 2. Department of Arts and Science, College of University of Electronic Science and Technology of China, Chengdu 611731, China) |
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| Abstract: | In this paper, we give some sufficient conditions for nonsingu!ar H- matrices by the theory of a2- double diagonally dominant matrices. The criteria for nonsingular H- matrices are expended, and effectiveness of the criteria is illustrated by numerical examples |
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| Keywords: | nonsingular H- matrix double diagonally dominant matrix chain of nonzero elements |
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