Weighted Golub-Kahan-Lanczos bidiagonalization algorithms

Weighted Golub-Kahan-Lanczos bidiagonalization algorithms
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DOI:
10.1553/etna_vol47s153
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发表时间:
2018
期刊:
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影响因子:
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通讯作者:
H. Zhong;Hongguo Xu
H. Zhong;Hongguo Xu
中科院分区:
其他
文献类型:
--
作者:
H. Zhong;Hongguo Xu

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。我们提出了加权Golub-Kahan-Lanczos算法。我们证明了它们在两个对称正Definite矩阵的乘积的特征值问题和线性响应问题的特征值问题中的应用。给出了收敛分析和数值试验结果。作为另一个应用,我们将所提出的算法与预条件共轭梯度法(PCG)联系起来。
. We present weighted Golub-Kahan-Lanczos algorithms. We demonstrate their applications to the eigenvalue problem of a product of two symmetric positive definite matrices and an eigenvalue problem for the linear response problem. A convergence analysis is provided and numerical test results are reported. As another application we make a connection between the proposed algorithms and the preconditioned conjugate gradient (PCG) method.