Developer Reference

  • 2020.2
  • 07/15/2020
  • Public Content
Contents

p?posvx

Solves a symmetric or Hermitian positive definite system of linear equations.

Syntax

call psposvx
(
fact
,
uplo
,
n
,
nrhs
,
a
,
ia
,
ja
,
desca
,
af
,
iaf
,
jaf
,
descaf
,
equed
,
sr
,
sc
,
b
,
ib
,
jb
,
descb
,
x
,
ix
,
jx
,
descx
,
rcond
,
ferr
,
berr
,
work
,
lwork
,
iwork
,
liwork
,
info
)
call pdposvx
(
fact
,
uplo
,
n
,
nrhs
,
a
,
ia
,
ja
,
desca
,
af
,
iaf
,
jaf
,
descaf
,
equed
,
sr
,
sc
,
b
,
ib
,
jb
,
descb
,
x
,
ix
,
jx
,
descx
,
rcond
,
ferr
,
berr
,
work
,
lwork
,
iwork
,
liwork
,
info
)
call pcposvx
(
fact
,
uplo
,
n
,
nrhs
,
a
,
ia
,
ja
,
desca
,
af
,
iaf
,
jaf
,
descaf
,
equed
,
sr
,
sc
,
b
,
ib
,
jb
,
descb
,
x
,
ix
,
jx
,
descx
,
rcond
,
ferr
,
berr
,
work
,
lwork
,
iwork
,
liwork
,
info
)
call pzposvx
(
fact
,
uplo
,
n
,
nrhs
,
a
,
ia
,
ja
,
desca
,
af
,
iaf
,
jaf
,
descaf
,
equed
,
sr
,
sc
,
b
,
ib
,
jb
,
descb
,
x
,
ix
,
jx
,
descx
,
rcond
,
ferr
,
berr
,
work
,
lwork
,
iwork
,
liwork
,
info
)
Include Files
Description
The
p?posvx
routine
uses the Cholesky factorization
A
=
U
T
*U
or