<div dir="ltr"><div dir="ltr">On Wed, Jan 4, 2023 at 10:48 AM Venugopal, Vysakh (venugovh) via petsc-users <<a href="mailto:petsc-users@mcs.anl.gov">petsc-users@mcs.anl.gov</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"><div class="msg-9098096147947584268">





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<p class="MsoNormal"><span style="font-family:Arial,sans-serif">Hello,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif">Is there a way to get the global indices from a vector created from DMCreateGlobalVector? Example:<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif">If global vector V (of size 10) has indices {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} and they are divided into 2 processes. Is there a way to get information such as (process 1: {0,1,2,3,4}, process 2:
 {5,6,7,8,9})?</span></p></div></div></div></blockquote><div><br></div><div><a href="https://petsc.org/main/docs/manualpages/Vec/VecGetOwnershipRange/">https://petsc.org/main/docs/manualpages/Vec/VecGetOwnershipRange/</a><br></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 class="msg-9098096147947584268"><div lang="EN-US" style="overflow-wrap: break-word;"><div class="m_-9098096147947584268WordSection1">
<p class="MsoNormal"><span style="font-family:Arial,sans-serif">The reason I need this information is that I need to query the values of a different vector Q of size 10 and place those values in V. Example: Q(1) --- V(1) @ process 1, Q(7) – V(7) @ process
 2, etc.. If there are smarter ways to do this, I am happy to pursue that.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif">Thank you,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif">Vysakh V.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal" style="background:white"><span style="font-family:Arial,sans-serif;color:black;border:1pt none windowtext;padding:0in">---<u></u><u></u></span></p>
<p class="MsoNormal" style="background:white"><span style="font-family:Arial,sans-serif;color:black;border:1pt none windowtext;padding:0in">Vysakh Venugopal</span><span style="font-family:Arial,sans-serif;color:black"><u></u><u></u></span></p>
<p class="MsoNormal" style="background:white"><span style="font-family:Arial,sans-serif;color:black;border:1pt none windowtext;padding:0in">Ph.D. Candidate</span><span style="font-family:Arial,sans-serif;color:black"><u></u><u></u></span></p>
<p class="MsoNormal" style="background:white"><span style="font-family:Arial,sans-serif;color:black;border:1pt none windowtext;padding:0in">Department of Mechanical Engineering</span><span style="font-family:Arial,sans-serif;color:black"><u></u><u></u></span></p>
<p class="MsoNormal" style="background:white"><span style="font-family:Arial,sans-serif;color:black;border:1pt none windowtext;padding:0in">University of Cincinnati, Cincinnati, OH 45221-0072</span><span style="font-family:Arial,sans-serif;color:black"><u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
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</div></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>