A Jacobi-Davidson type method for the product eigenvalue problem

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Abstract

We propose a Jacobi–Davidson type method to compute selected eigenpairs of the product eigenvalue problem AmA1x=¿x, where the matrices may be large and sparse. To avoid difficulties caused by a high condition number of the product matrix, we split up the action of the product matrix and work with several search spaces. We generalize the Jacobi–Davidson correction equation and the harmonic and refined extraction for the product eigenvalue problem. Numerical experiments indicate that the method can be used to compute eigenvalues of product matrices with extremely high condition numbers.
Original languageEnglish
Pages (from-to)46-62
JournalJournal of Computational and Applied Mathematics
Volume212
Issue number1
DOIs
Publication statusPublished - 2008

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