| 求一类稀疏对称矩阵的特征根 |
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| 引用本文： | 叶玉民,李中伯.求一类稀疏对称矩阵的特征根[J].东北电力学院学报,1998,18(1):48-52. |
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| 作者姓名： | 叶玉民 李中伯 |
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| 作者单位： | Computation Center，Northeast China Institute of Electric Power Engineering，Jilin City 132012 |
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| 摘 要： | 用降价方法求出一类稀疏对称矩阵的特征根及特征向量，与ＱＲ方法，直接使用Ｊａｃｏｂｉ方法相比较节省了相当大的计算量。
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| 关 键 词： | 特征根 特征向量 QR方法 矩阵 稀疏矩阵 |
Derivation of Characteristic Roots of a Class Sparse Symmetric Matrix |
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| Yie Yumin,Li Zongbai.Derivation of Characteristic Roots of a Class Sparse Symmetric Matrix[J].Journal of Northeast China Institute of Electric Power Engineering,1998,18(1):48-52. |
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| Authors: | Yie Yumin Li Zongbai |
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| Abstract: | This paper has derived characteristic roots of a class sparse symmetric matrix from using decreasing order method. As compared with Q R method and direct Jacobi method, this derivation requires less amount of computation and gives more accurate results. |
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| Keywords: | characteristic roots characteristic vector Q R method Jacobi method Hoaseholder thmnsformation Hessenbeng matrix |
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