Neural‐Network‐Based Approach for Extracting Eigenvectors and Eigenvalues of Real Normal Matrices and Some Extension to Real Matrices

Xiongfei Zou, Ying Tang, Shirong Bu, Zhengxiang Luo and Shouming Zhong

Journal of Applied Mathematics, 2013, vol. 2013, issue 1

Abstract: This paper introduces a novel neural‐network‐based approach for extracting some eigenpairs of real normal matrices of order n. Based on the proposed algorithm, the eigenvalues that have the largest and smallest modulus, real parts, or absolute values of imaginary parts can be extracted, respectively, as well as the corresponding eigenvectors. Although the ordinary differential equation on which our proposed algorithm is built is only n‐dimensional, it can succeed to extract n‐dimensional complex eigenvectors that are indeed 2n‐dimensional real vectors. Moreover, we show that extracting eigen‐pairs of general real matrices can be reduced to those of real normal matrices by employing the norm‐reducing skill. Numerical experiments verified the computational capability of the proposed algorithm.

Date: 2013
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https://doi.org/10.1155/2013/597628

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2013:y:2013:i:1:n:597628

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