<p>Dear Barry:</p><p>thank you for your reply. MatMatMult() uses Plapcak package for Dense matrices? <br></p><p>In addition, about MatGetSubMatrix() and submatrix multiplcation problems, could you give me some advice? </p>
<p>"if the distribution of A11 and B is different, it will not work if I do B*A11? if it work, what is the distribution of B*A11?"</p><p>thanks a lot. Happy holiday:).</p><p>Regards,</p><p>Yujie</p><p><br><br></p>
<br><div class="gmail_quote">On Tue, Dec 30, 2008 at 12:28 PM, Barry Smith <span dir="ltr"><<a href="mailto:bsmith@mcs.anl.gov">bsmith@mcs.anl.gov</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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In theory it is all there. Just do MatMatMult() with your dense matrices<br><font color="#888888">
<br>
Barry</font><div><div class="Wj3C7c"><br>
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On Dec 29, 2008, at 1:55 PM, Yujie wrote:<br>
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<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi,<br>
<br>
I am wondering whether it have been realized in PETSc to do MPIDense*MPIDense? thanks a lot. Happy holiday:).<br>
<br>
Regards,<br>
<br>
Yujie<br>
<br>
</blockquote>
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</div></div></blockquote></div><br>