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

Name

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

Purpose

       PZGBTRS solves a system of linear equations
                                         or
                 A(1:N, JA:JA+N-1)' * X = B(IB:IB+N-1, 1:NRHS)

       where A(1:N, JA:JA+N-1) is the matrix used to produce the factors stored in A(1:N,JA:JA+N-1)  and  AF  by
       PZGBTRF.
       A(1:N, JA:JA+N-1) is an N-by-N complex
       banded distributed
       matrix with bandwidth BWL, BWU.

       Routine PZGBTRF MUST be called first.

LAPACK version 1.5                                 12 May 1997                                        PZGBTRS(l)

Synopsis

       SUBROUTINE PZGBTRS( TRANS,  N,  BWL,  BWU,  NRHS, A, JA, DESCA, IPIV, B, IB, DESCB, AF, LAF, WORK, LWORK,
                           INFO )

           CHARACTER       TRANS

           INTEGER         BWU, BWL, IB, INFO, JA, LAF, LWORK, N, NRHS

           INTEGER         DESCA( * ), DESCB( * ), IPIV(*)

           COMPLEX*16      A( * ), AF( * ), B( * ), WORK( * )

See Also