On Mon, Aug 16, 2010 at 2:54 PM, SUN Chun <span dir="ltr"><<a href="mailto:Chun.SUN@3ds.com">Chun.SUN@3ds.com</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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<p class="MsoNormal"><span style="font-size:11.0pt">Hi
Petsc Dev,</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Is
there an efficient way to zero out a sub-matrix in the whole matrix? I can get
it from MatGetSubMatrix easily. Is there a way to put it back without looping
over the non-zeros?</span></p></div></div></blockquote><div><br></div><div>There is no easier way than MatSetValues currently.</div><div><br></div><div> Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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<p class="MsoNormal"><span style="font-size:11.0pt">Thanks,</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Chun</span></p>
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