A universal matrix perturbation technique for complex modes

DOI10.1023/A:1015522923688zbMath1002.70015MaRDI QIDQ5941806

Ji-Ke Liu, Chengwu Cai, Wei-Hua Xu

Publication date: 13 January 2003

Published in: Applied Mathematics and Mechanics. (English Edition) (Search for Journal in Brave)

zbMATH Keywords

closely spaced eigenvaluescomplex eigensubspace condensationscomplex modesdistinct eigenvalueshigher-order perturbation formulaslower-order perturbation formulasmatrix perturbation techniquerepeated eigenvaluessuccessive approximation

Mathematics Subject Classification ID

Numerical computation of eigenvalues and eigenvectors of matrices (65F15) Systems arising from the discretization of structural vibration problems (70J50) Free motions in linear vibration theory (70J30)

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