RAYLEIGH QUOTIENT ITERATION FOR COMPUTING TENSOR EIGENPAIRS
Numerical Mathematics A Journal of Chinese Universities(2021)
摘要
In this paper,we propose a Rayleigh quotient iteration method (RQI)to calculate the Z-eigenpairs of the symmetric tensor,which can be viewed as a generalization of shifted symmetric higher-order power method (SS-HOPM).The convergence analysis and the fixed-point analysis of this algorithm are given.Nu-merical examples show that RQI needs fewer iterations than SS-HOPM while keep the amount of computation per iteration.
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关键词
SS-HOPM,symmetric tensor,tensor eigenvalues,Rayleigh quotient iteration(RQI)
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