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On Element SDD Approximability

H. Avron,Gil Shklarski,Sivan Toledo

Published 2009 in arXiv.org

ABSTRACT

This short communication shows that in some cases scalar elliptic finite element matrices cannot be approximated well by an SDD matrix. We also give a theoretical analysis of a simple heuristic method for approximating an element by an SDD matrix.

PUBLICATION RECORD

  • Publication year

    2009

  • Venue

    arXiv.org

  • Publication date

    2009-11-03

  • Fields of study

    Mathematics, Computer Science

  • Identifiers
    arXiv 0911.0547
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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