[petsc-users] Réf. : Re: PETSc installed without X windows on this machine

[Thomas DE-SOZA]

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
Envoyé par : petsc-users-bounces at mcs.anl.gov
30/05/2012 15:46
Veuillez répondre à 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


>在 2012-05-30 21:27:40，"Matthew Knepley" <knepley at gmail.com> 写道：
>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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