<div dir="ltr"><div class="gmail_quote">On Sat, Feb 4, 2012 at 01:47, Kuhlemann, Verena <span dir="ltr"><<a href="mailto:vkuhlem@emory.edu">vkuhlem@emory.edu</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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<div style="direction:ltr;font-family:Tahoma;color:#000000;font-size:10pt">Hi,
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<div>one quick question: I have a matrix P and need to compute P^t*P.</div>
<div>Is there a function available for this? I couldn't find anything.</div>
<div>Right now I am computing P^t*P by using MatPtAP with A=identity,</div>
<div>but I was hoping there is another way where I don't need to set up</div>
<div>the identity matrix.</div></div></div></blockquote><div><br></div><div>Use petsc-dev and MatTransposeMatMult(P,P,...,&PtP)</div></div></div>