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
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