.TH PDPBSV l "12 May 1997" "LAPACK version 1.5" "LAPACK routine (version 1.5)" .SH NAME PDPBSV \- solve a system of linear equations A(1:N, JA:JA+N-1) * X = B(IB:IB+N-1, 1:NRHS) .SH SYNOPSIS .TP 19 SUBROUTINE PDPBSV( UPLO, N, BW, NRHS, A, JA, DESCA, B, IB, DESCB, WORK, LWORK, INFO ) .TP 19 .ti +4 CHARACTER UPLO .TP 19 .ti +4 INTEGER BW, IB, INFO, JA, LWORK, N, NRHS .TP 19 .ti +4 INTEGER DESCA( * ), DESCB( * ) .TP 19 .ti +4 DOUBLE PRECISION A( * ), B( * ), WORK( * ) .SH PURPOSE PDPBSV solves a system of linear equations where A(1:N, JA:JA+N-1) is an N-by-N real .br banded symmetric positive definite distributed .br matrix with bandwidth BW. .br Cholesky factorization is used to factor a reordering of .br the matrix into L L'. .br See PDPBTRF and PDPBTRS for details. .br