<div dir="ltr"><div dir="ltr">On Fri, Sep 13, 2024 at 2:40 AM Klaij, Christiaan <<a href="mailto:C.Klaij@marin.nl">C.Klaij@marin.nl</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Thanks Barry, that works fine. Any chance to access the reordered matrix behind the plot?<br></blockquote><div><br></div><div>You can make it with MatPermute().</div><div><br></div><div> Thanks,</div><div><br></div><div> Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Chris<br>
<br>
________________________________________<br>
From: Barry Smith <<a href="mailto:bsmith@petsc.dev" target="_blank">bsmith@petsc.dev</a>><br>
Sent: Tuesday, September 10, 2024 3:09 PM<br>
To: Klaij, Christiaan<br>
Cc: <a href="mailto:petsc-users@mcs.anl.gov" target="_blank">petsc-users@mcs.anl.gov</a><br>
Subject: Re: [petsc-users] how to visualize the matordering?<br>
<br>
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<br>
You can save the plot in an image file that does not require X. For example<br>
<br>
-mat_view_ordering draw:image:filename<br>
<br>
Several image formats are available.<br>
<br>
<br>
Barry<br>
<br>
<br>
On Sep 10, 2024, at 7:36 AM, Klaij, Christiaan <<a href="mailto:C.Klaij@marin.nl" target="_blank">C.Klaij@marin.nl</a>> wrote:<br>
<br>
I'm saving a petsc mat to file and loading it into python to make a spy plot of its sparsity pattern, so far so good.<br>
<br>
Now I would like to compare with a reordened pattern, say rcm. I've notice the option -mat_view_ordering draw, but do not have X Windows on this machine. What is the recommended way to get the reordened matrix for inspection?<br>
<br>
Chris<br>
<image859244.png><br>
dr. ir. Christiaan Klaij<br>
| Senior Researcher | Research & Development<br>
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</blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>-- Norbert Wiener</div><div><br></div><div><a href="https://urldefense.us/v3/__http://www.cse.buffalo.edu/*knepley/__;fg!!G_uCfscf7eWS!cqVEpFXzlZDy9mxC3QVCfvcTsImy_ZZq-sc3ewVbiGF-PD6JhuYL6Yonrh06ghc5fTXhH0dOYpci2SJYqs43$" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br></div></div></div></div></div></div></div></div>