<div dir="ltr"><div dir="ltr">On Tue, Jan 31, 2023 at 8:44 AM Adolfo Rodriguez <<a href="mailto:adantra@gmail.com">adantra@gmail.com</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">
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<div dir="ltr">Matthew, </div>
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<div dir="ltr">Yes, exactly: PCCOMPOSITR.</div></div></div></div></div></blockquote><div><br></div><div>The list of options for it is here: <a href="https://petsc.org/main/docs/manualpages/PC/PCCOMPOSITE/">https://petsc.org/main/docs/manualpages/PC/PCCOMPOSITE/</a></div><div><br></div><div>Is there a particular thing you want to do?</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"><div><div><div id="m_7824998253377921587ms-outlook-mobile-signature">
Get <a href="https://aka.ms/o0ukef" target="_blank">Outlook for iOS</a></div>
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<div id="m_7824998253377921587divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Matthew Knepley <<a href="mailto:knepley@gmail.com" target="_blank">knepley@gmail.com</a>><br>
<b>Sent:</b> Tuesday, January 31, 2023 6:55:29 AM<br>
<b>To:</b> Adolfo Rodriguez <<a href="mailto:adantra@gmail.com" target="_blank">adantra@gmail.com</a>><br>
<b>Cc:</b> petsc-users <<a href="mailto:petsc-users@mcs.anl.gov" target="_blank">petsc-users@mcs.anl.gov</a>><br>
<b>Subject:</b> Re: [petsc-users] Composite preconditioners in petsc4py</font>
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<div dir="ltr">On Mon, Jan 30, 2023 at 6:56 PM Adolfo Rodriguez <<a href="mailto:adantra@gmail.com" target="_blank">adantra@gmail.com</a>> wrote:<br>
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<div>Hi,</div>
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<div>how do you use composite preconditioners in petsc4py. I used to have a script that worked but it does not work anymore. Something has changed. Any simple examples?</div>
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<div>Do you mean using PCCOMPOSITE?</div>
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<div> Thanks,</div>
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<div>Regards,</div>
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<div>Adolfo<br>
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<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>
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<div><a href="http://www.cse.buffalo.edu/~knepley/" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br>
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</blockquote></div><br clear="all"><div><br></div>-- <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="http://www.cse.buffalo.edu/~knepley/" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br></div></div></div></div></div></div></div></div>