• Title of article

    Stability of block LDLT factorization of a symmetric tridiagonal matrix Original Research Article

  • Author/Authors

    Nicholas J. Higham، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 1999
  • Pages
    9
  • From page
    181
  • To page
    189
  • Abstract
    For symmetric indefinite tridiagonal matrices, block LDLT factorization without interchanges is shown to have excellent numerical stability when a pivoting strategy of Bunch is used to choose the dimension (1 or 2) of the pivots.
  • Keywords
    Symmetric indefinite matrix , Diagonal pivoting method , LDL Tfactorization , growth factor , numerical stability , Rounding error analysis , tridiagonal matrix , LAPACK , UNPACK
  • Journal title
    Linear Algebra and its Applications
  • Serial Year
    1999
  • Journal title
    Linear Algebra and its Applications
  • Record number

    822616