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- W4230485725 abstract "A new conjugate gradient algorithm is presented for extracting eigenvalues from large systems of equations encountered in finite element analysis. The new algorithm involves applying the conjugate gradient method (CGM) to a static problem to generate an equivalent tridiagonal matrix used for eigenvalue computation. The eigenvalues of the tridiagonal matrix are then extracted using a QR factorization. The similarity of the new CGM with the Lanczos method is discussed regarding the need for matrix inversion and reorthogonalization. Several examples using the new method are presented to illustrate its performance." @default.
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- W4230485725 date "1996-02-01" @default.
- W4230485725 modified "2023-09-27" @default.
- W4230485725 title "Eigenvalue extraction for large finite element models using a new conjugate gradient algorithm" @default.
- W4230485725 doi "https://doi.org/10.1002/(sici)1099-0887(199602)12:2<77::aid-cnm953>3.3.co;2-z" @default.
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