Error estimates for polynomial Krylov approximations to matrix functions (Articolo in rivista)

Type
Label
  • Error estimates for polynomial Krylov approximations to matrix functions (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1137/070688924 (literal)
Alternative label
  • Diele F.; Moret I.; Ragni S. (2008)
    Error estimates for polynomial Krylov approximations to matrix functions
    in SIAM journal on matrix analysis and applications (Print); SIAM Publications, Philadelphia (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Diele F.; Moret I.; Ragni S. (literal)
Pagina inizio
  • 1546 (literal)
Pagina fine
  • 1565 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://epubs.siam.org/sima/resource/1/sjmael/v30/i4/p1546_s1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 30 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 20 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • MORET Igor, Universit√† degli Studi di Trieste RAGNI Stefania, Universit√† degli Studi di Bari (literal)
Titolo
  • Error estimates for polynomial Krylov approximations to matrix functions (literal)
Abstract
  • In this paper we are interested in the polynomial Krylov approximations for the computation of phi(A)upsilon, where A is a square matrix, v represents a given vector, and. is a suitable function which can be employed in modern integrators for differential problems. Our aim consists of proposing and analyzing innovative a posteriori error estimates which allow a good control of the approximation procedure. The effectiveness of the results we provide is tested on some numerical examples of interest. (literal)
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