<div dir="ltr"><div dir="ltr">On Sun, Nov 24, 2019 at 5:23 PM Peng Ding <<a href="mailto:ztdepyahoo@gmail.com">ztdepyahoo@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"><div dir="ltr"><div class="gmail_quote"><br>

    

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        <span>Dear sir:
        </span></div><div><span>     I generate the 3D mesh with Tetgen for FVM computation.  I reordered the cells and partitioned them with metis.  Then i got an array which records the distribution of each cells.  For example, on CPU -0., I have:</span></div><div><span>      1, 3, 6 , 7 ....11, 22......</span></div><div><span>    But all these cells have non-continuos index, how to set the matrix in petsc.</span></div></div></div></div></div></div></blockquote><div><br></div><div>You will have to renumber them.</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 dir="ltr"><div class="gmail_quote"><div><div style="font-family:微软雅黑,Verdana,"Microsoft Yahei",SimSun,sans-serif;font-size:14px;line-height:1.6"><div><div><span>Regards</span></div><div><span>    </span></div>
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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>