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Spectral refinement on quasi-diagonal matrices

Title
Spectral refinement on quasi-diagonal matrices
Type
Article in International Scientific Journal
Year
2005
Authors
Ahues, M.
(Author)
Other
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Largillier, A.
(Author)
Other
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d'Almeida, F.D.
(Author)
FEUP
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Vasconcelos, P.B.
(Author)
FEP
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Journal
Vol. 401
Pages: 109-117
ISSN: 0024-3795
Publisher: Elsevier
Scientific classification
FOS: Natural sciences > Mathematics
Other information
Authenticus ID: P-000-3BW
Abstract (EN): In several applications needing the numerical computation of eigenvalues and eigenvectors we deal with strongly quasi-diagonal matrices. An iterative explicit method for this kind of problem is proposed here. Its convergence is proved by means of an argument based on the perturbed fixed slope method. Numerical experiments complete this work.
Language: English
Type (Professor's evaluation): Scientific
Contact: falmeida@fe.up.pt
No. of pages: 9
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