PCDTTRS
PCDTTRS
Section: LAPACK routine (version 1.5) (l) Updated: 12 May 1997 Local index
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NAME
PCDTTRS - solve a system of linear equations A(1:N, JA:JA+N-1) * X = B(IB:IB+N-1, 1:NRHS)
SYNOPSIS
SUBROUTINE PCDTTRS(
TRANS, N, NRHS, DL, D, DU, JA, DESCA, B, IB,
DESCB, AF, LAF, WORK, LWORK, INFO )
CHARACTER
TRANS
INTEGER
IB, INFO, JA, LAF, LWORK, N, NRHS
INTEGER
DESCA( * ), DESCB( * )
COMPLEX
AF( * ), B( * ), D( * ), DL( * ), DU( * ),
WORK( * )
PURPOSE
PCDTTRS 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 PCDTTRF.
A(1:N, JA:JA+N-1) is an N-by-N complex
tridiagonal diagonally dominant-like distributed
matrix.

Routine PCDTTRF MUST be called first.

Index
NAME
SYNOPSIS
PURPOSE
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