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Man Pages


Manual Reference Pages  -  PZDTSV (l)

NAME

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

CONTENTS

Synopsis
Purpose

SYNOPSIS

SUBROUTINE PZDTSV( N, NRHS, DL, D, DU, JA, DESCA, B, IB, DESCB, WORK, LWORK, INFO )
    INTEGER IB, INFO, JA, LWORK, N, NRHS
    INTEGER DESCA( * ), DESCB( * )
    COMPLEX*16 B( * ), D( * ), DL( * ), DU( * ), WORK( * )

PURPOSE

PZDTSV 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 complex
tridiagonal diagonally dominant-like distributed
matrix.

Gaussian elimination without pivoting
is used to factor a reordering
of the matrix into L U.

See PZDTTRF and PZDTTRS for details.

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ScaLAPACK version 1.7 PZDTSV (l) 13 August 2001

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