| 矩阵特征值新的包含域 |
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| 引用本文： | 刘玉晓,李华. 矩阵特征值新的包含域[J]. 河南师范大学学报(自然科学版), 2011, 39(3): 19-22 |
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| 作者姓名： | 刘玉晓 李华 |
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| 作者单位： | 河南城建学院,数理系,河南平顶山467044 |
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| 摘 要： | 对盖尔圆盘定理进行了改进,利用相似矩阵有相同的特征值这一理论,得到矩阵特征值的一类新的包含域,它们与盖尔圆盘等方法结合起来能提高估计的精确度.
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| 关 键 词： | 特征值 盖尔圆盘定理 估计 |
A New Inclusion Domain of the Eigenvalues Matrices |
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| LIU Yu-xiao,LI Hua. A New Inclusion Domain of the Eigenvalues Matrices[J]. Journal of Henan Normal University(Natural Science), 2011, 39(3): 19-22 |
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| Authors: | LIU Yu-xiao LI Hua |
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| Affiliation: | (Department of Mathematics and Physics,Henan University of Urban Construction,Pingdingshan 467044,China) |
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| Abstract: | In this paper,using the similar matrices have same eigenvalues,the Gersgorin-disc theorem is improved,and a new inclusion domain is obtained.The accuracy for estimate eigenvalues will be increased,if it is combined with the results of the Gersgorin-disc theorems. |
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| Keywords: | eigenvalue Gersgorin-disc theorem estimation |
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