

SUBROUTINE PSDBTRS(  TRANS, N, BWL, BWU, NRHS, A, JA, DESCA, B, IB, DESCB, AF, LAF, WORK, LWORK, INFO ) 
CHARACTER TRANS  
INTEGER BWL, BWU, IB, INFO, JA, LAF, LWORK, N, NRHS  
INTEGER DESCA( * ), DESCB( * )  
REAL A( * ), AF( * ), B( * ), WORK( * )  
PSDBTRS solves a system of linear equations A(1:N, JA:JA+N1) * X = B(IB:IB+N1, 1:NRHS) or
A(1:N, JA:JA+N1)’ * X = B(IB:IB+N1, 1:NRHS)where A(1:N, JA:JA+N1) is the matrix used to produce the factors stored in A(1:N,JA:JA+N1) and AF by PSDBTRF.
A(1:N, JA:JA+N1) is an NbyN real
banded diagonally dominantlike distributed
matrix with bandwidth BWL, BWU.Routine PSDBTRF MUST be called first.
ScaLAPACK version 1.7  PSDBTRS (l)  13 August 2001 
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