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PSDTSV(l) ) PSDTSV(l)

PSDTSV - solve a system of linear equations A(1:N, JA:JA+N-1) * X = B(IB:IB+N-1, 1:NRHS)

SUBROUTINE PSDTSV(
N, NRHS, DL, D, DU, JA, DESCA, B, IB, DESCB, WORK, LWORK, INFO )
INTEGER IB, INFO, JA, LWORK, N, NRHS INTEGER DESCA( * ), DESCB( * ) REAL B( * ), D( * ), DL( * ), DU( * ), WORK( * )

PSDTSV solves a system of linear equations A(1:N, JA:JA+N-1) * X = B(IB:IB+N-1, 1:NRHS) where A(1:N, JA:JA+N-1) is an N-by-N real
 
tridiagonal diagonally dominant-like distributed
 
matrix.
 
Gaussian elimination without pivoting
 
is used to factor a reordering
 
of the matrix into L U.
 
See PSDTTRF and PSDTTRS for details.
 
13 August 2001 ScaLAPACK version 1.7

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