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A Krylov--Schur Algorithm for Large Eigenproblems

✍ Scribed by Stewart, G. W.

Book ID
118215362
Publisher
Society for Industrial and Applied Mathematics
Year
2002
Tongue
English
Weight
161 KB
Volume
23
Category
Article
ISSN
0895-4798

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✍ Roden J.A. David; David S. Watkins πŸ“‚ Article πŸ“… 2008 πŸ› Elsevier Science 🌐 English βš– 173 KB

We present an efficient inexact implicitly restarted Arnoldi algorithm to find a few eigenpairs of large unitary matrices. The approximating Krylov spaces are built using short-term recurrences derived from Gragg's isometric Arnoldi process. The implicit restarts are done by the Krylov-Schur methodo