The efficacy of estimation for influence coefficients in wavelet basis

A.A.R. Metselaar, C.R. Traas

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    Abstract

    We use wavelets for the discretisation of an integral equation. Upper bounds are derived for elements of the resulting matrix. These upper bounds are used to compute only those elements that may exceed a certain threshold. Numerical experiments are presented in which this manner of computing a sparse matrix is compared with computing the matrix in nodal basis, followed by a transformation and, for most comparisons, thresholding.
    Original languageUndefined
    Place of PublicationEnschede
    PublisherUniversity of Twente, Department of Applied Mathematics
    Publication statusPublished - 1999

    Publication series

    Name
    PublisherDepartment of Applied Mathematics, University of Twente
    No.1502
    ISSN (Print)0169-2690

    Keywords

    • MSC-65R20
    • EWI-3322
    • IR-65690
    • MSC-45EXX

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