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
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
Journal title :
Linear Algebra and its Applications
