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Construction of invariant subspaces and their application for improving GMRES(m) method

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F05%3A00000623" target="_blank" >RIV/00216208:11320/05:00000623 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Construction of invariant subspaces and their application for improving GMRES(m) method

  • Original language description

    We formulate the iterative technique updating the starting vector of the Arnoldi process to obtain an invariant subspace. Our new technique is compared with the classical one and convergence theorem for both techniques is formulated. The invariant subspace is used for improving GMRES(m) method.

  • Czech name

    Konstrukce invariantních podprostorů a jejich použití ke zlepšení konvergence metody GMRES(m)

  • Czech description

    Je formulován iterační postup na sestrojení startovního vektoru v Arnoldiho procesu a to tak, že Krylovovy vektory tvoří bázi požadovaného invariantního podprostoru, který se použije ke zlepšení konvergence metody GMRES(m). Nový postup je srovnán s klasickým a je dokázána věta o konvergenci pro oba postupy.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BA - General mathematics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA201%2F05%2F0005" target="_blank" >GA201/05/0005: Mathematical theory and numerical simulation of problems of fluid mechanics</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2005

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    SNA' 05 , Winter School

  • ISBN

    80-86407-04-7

  • ISSN

  • e-ISSN

  • Number of pages

    4

  • Pages from-to

    83-86

  • Publisher name

    Institute of Geonics AS ČR Ostrava

  • Place of publication

    Ostrava

  • Event location

    Ostrava

  • Event date

    Jan 1, 2005

  • Type of event by nationality

    CST - Celostátní akce

  • UT code for WoS article