| 三对角矩阵的逆矩阵界的进一步研究 |
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| 引用本文： | 蒋建新,高美平. 三对角矩阵的逆矩阵界的进一步研究[J]. 文山师范高等专科学校学报, 2013, 0(6): 26-30 |
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| 作者姓名： | 蒋建新 高美平 |
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| 作者单位： | 文山学院数学学院,云南文山663000 |
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| 基金项目： | 云南省教育厅科研基金项目“几类对角占优矩阵的逆矩阵界的估计”（2013Y585）; 文山学院重点学科“数学”建设项目（12WSXK01） |
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| 摘 要： | 利用迭代的思想改进了三对角矩阵的逆矩阵元素的上界,从而借助这些新的上界得到了严格三对角矩阵元素的一些改进的上下界。
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| 关 键 词： | 三对角矩阵 三对角矩阵的逆 对角占优 元素的界 |
A Further Research on the Bounds of the Inverse Matrix of Tridiagonal Matrices |
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| JIANG Jian-xin,GAO Mei-Ping. A Further Research on the Bounds of the Inverse Matrix of Tridiagonal Matrices[J]. Journal of Wenshan Teachers College, 2013, 0(6): 26-30 |
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| Authors: | JIANG Jian-xin GAO Mei-Ping |
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| Affiliation: | (School of Mathematics, Wenshan University, Wenshan 663000, China) |
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| Abstract: | Improvement of the upper bound of the inverse matrix of elements of the tridiagonal matrices is made by using iterative methods. The paper obtains some improved bounds of strict tridiagonal matrices elements by using these new upper bounds. |
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| Keywords: | Tridiagonal matrices Inverses of tridiagonal matrices diagonal dominance bounds of entries |
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