Hi,
To print the matrix in ASCII form you must use "-mat_view" and not
"-mat_view_draw".
Thomas
w_ang_temp at 163.com
Envoy? par : petsc-users-bounces at mcs.anl.gov
30/05/2012 15:46
Veuillez r?pondre ? petsc-users
Pour : petsc-users at mcs.anl.gov
cc : (ccc : Thomas DE-SOZA/A/EDF/FR)
Objet : Re: [petsc-users] PETSc installed without X windows on this
machine
Hello Matt
I am sorry for the vague statements.
When use MatView() in the code, it can print the matrix by the CSR
form in the terminal.
When I try to view the matrix with the runtime option -mat_view_draw,
I get the error message. I just want to draw the matrix nonzero structure.
Thanks.
Jim
>? 2012-05-30 21:27:40?"Matthew Knepley" <knepley at gmail.com> ???
>On Wed, May 30, 2012 at 9:20 AM, w_ang_temp <w_ang_temp at 163.com> wrote:
>Hello
> When I try to view a matrix with the option -mat_view_draw, I get :
> [0]PETSC ERROR: PETSc installed without X windows on this machine
proceeding without graphics.
> But calling MatView in side the code is ok.
>Are you saying that from within the code, MatView() draws a picture in an
X-window? I do not see
>how that can possibly be the case. PETSc did not compile support for
that, as it says in the error
>message.
> Matt
> I install the libX11-dev as Matt said in one message in the
petsc-users in 2008, but the problem doesn't solved.
> The system is ubuntu 10.04.
> So what might be the reason?
> Thanks.
> Jim
--
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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