PCPTSV
PCPTSV
Section: LAPACK routine (version 1.5) (l) Updated: 12 May 1997 Local index
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NAME
PCPTSV  solve a system of linear equations A(1:N, JA:JA+N1) * X = B(IB:IB+N1, 1:NRHS)
SYNOPSIS
 SUBROUTINE PCPTSV(

UPLO, N, NRHS, D, E, JA, DESCA, B, IB, DESCB,
WORK, LWORK, INFO )

CHARACTER
UPLO

INTEGER
IB, INFO, JA, LWORK, N, NRHS

INTEGER
DESCA( * ), DESCB( * )

COMPLEX
B( * ), E( * ), WORK( * )

REAL
D( * )
PURPOSE
PCPTSV solves a system of linear equations
where A(1:N, JA:JA+N1) is an NbyN complex
tridiagonal symmetric positive definite distributed
matrix.
Cholesky factorization is used to factor a reordering of
the matrix into L L'.
See PCPTTRF and PCPTTRS for details.
Index
 NAME

 SYNOPSIS

 PURPOSE

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