Section: LAPACK routine (version 1.5) (l) Updated: 12 May 1997 Local index
PZPTSV - solve a system of linear equations A(1:N, JA:JA+N-1) * X = B(IB:IB+N-1, 1:NRHS)
- SUBROUTINE PZPTSV(
UPLO, N, NRHS, D, E, JA, DESCA, B, IB, DESCB,
WORK, LWORK, INFO )
IB, INFO, JA, LWORK, N, NRHS
DESCA( * ), DESCB( * )
B( * ), E( * ), WORK( * )
PRECISION D( * )
PZPTSV solves a system of linear equations
where A(1:N, JA:JA+N-1) is an N-by-N complex
tridiagonal symmetric positive definite distributed
Cholesky factorization is used to factor a reordering of
the matrix into L L'.
See PZPTTRF and PZPTTRS for details.
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Time: 21:53:25 GMT, April 16, 2011