The Calculation of Specified Eigenvectors by Inverse Iteration

The Calculation of Specified Eigenvectors by Inverse Iteration
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通过逆迭代计算指定特征向量

DOI:
10.1007/978-3-642-86940-2_29
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发表时间:
1971
期刊:
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影响因子:
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通讯作者:
J. H. Wilkinson
J. H. Wilkinson
中科院分区:
--
文献类型:
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作者:
G. Peters;J. H. Wilkinson

文献摘要

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当矩阵A的特征值的近似μ已知时,逆迭代法提供了一种计算相应特征向量的有效算法。它实质上是确定由矩阵{{(A-MUI){x_{r+1}}={k_r}{x_r}}&{(r=0,1,\ldots),}\cr}$$所定义的一列向量‖xr+1‖=L,且x0是任意单位向量.
When an approximation μ is known to an eigenvalue of a matrixA, inverse iteration provides an efficient algorithm for computing the corresponding eigenvector. It consists essentially of the determination of a sequence of vectorsxrdefined by $$ \matrix{ {(A - \mu I){x_{r + 1}} = {k_r}{x_r}} & {(r = 0,1, \ldots ),} \cr } $$ wherekris chosen so that ‖xr+1‖ = l in some norm andx0is an arbitrary unit vector.