Eigensolutions sensitivity for nonsymmetric matrices with repeated eigenvalues
作者： Angelo Luongo
DOI: 10.2514/3.11770
关键词:
摘要: A perturbation algorithm is developed for evaluating eigenvalue and eigenvector directional derivatives of nonsymmetric defective matrices. Some properties are recalled; in particular, chains generalized right left eigenvectors their orthogonal defined. Small perturbations the matrix then considered. An asymptotic expansion eigensolutions perturbed problem obtained terms noninteger powers parameter. Particular attention devoted to system strong coupling that occurs between
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