Developer Reference

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

p?gerfs

Improves the computed solution to a system of linear equations and provides error bounds and backward error estimates for the solution.

Syntax

call psgerfs
(
trans
,
n
,
nrhs
,
a
,
ia
,
ja
,
desca
,
af
,
iaf
,
jaf
,
descaf
,
ipiv
,
b
,
ib
,
jb
,
descb
,
x
,
ix
,
jx
,
descx
,
ferr
,
berr
,
work
,
lwork
,
iwork
,
liwork
,
info
)
call pdgerfs
(
trans
,
n
,
nrhs
,
a
,
ia
,
ja
,
desca
,
af
,
iaf
,
jaf
,
descaf
,
ipiv
,
b
,
ib
,
jb
,
descb
,
x
,
ix
,
jx
,
descx
,
ferr
,
berr
,
work
,
lwork
,
iwork
,
liwork
,
info
)
call pcgerfs
(
trans
,
n
,
nrhs
,
a
,
ia
,
ja
,
desca
,
af
,
iaf
,
jaf
,
descaf
,
ipiv
,
b
,
ib
,
jb
,
descb
,
x
,
ix
,
jx
,
descx
,
ferr
,
berr
,
work
,
lwork
,
rwork
,
lrwork
,
info
)
call pzgerfs
(
trans
,
n
,
nrhs
,
a
,
ia
,
ja
,
desca
,
af
,
iaf
,
jaf
,
descaf
,
ipiv
,
b
,
ib
,
jb
,
descb
,
x
,
ix
,
jx
,
descx
,
ferr
,
berr
,
work
,
lwork
,
rwork