PSPTTRSV(l) | LAPACK routine (version 1.5) | PSPTTRSV(l) |
NAME¶
PSPTTRSV - solve a tridiagonal triangular system of linear equations A(1:N, JA:JA+N-1) * X = B(IB:IB+N-1, 1:NRHS)SYNOPSIS¶
- SUBROUTINE PSPTTRSV(
- UPLO, N, NRHS, D, E, JA, DESCA, B, IB, DESCB, AF, LAF, WORK, LWORK, INFO )
- CHARACTER
- UPLO
- INTEGER
- IB, INFO, JA, LAF, LWORK, N, NRHS
- INTEGER
- DESCA( * ), DESCB( * )
- REAL
- AF( * ), B( * ), D( * ), E( * ), WORK( * )
PURPOSE¶
PSPTTRSV solves a tridiagonal triangular system of linear equationsor
A(1:N, JA:JA+N-1)^T * X = B(IB:IB+N-1, 1:NRHS)
12 May 1997 | LAPACK version 1.5 |