Hi,<br> You can use PetscErrorCode PCComputeExplicitOperator(PC pc,Mat *mat)<br><br>See,<br><a href="http://www-unix.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/docs/manualpages/PC/PCComputeExplicitOperator.html">http://www-unix.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/docs/manualpages/PC/PCComputeExplicitOperator.html</a><br>
<br><br><br><div class="gmail_quote">On Mon, Apr 28, 2008 at 8:19 AM, Yujie <<a href="mailto:recrusader@gmail.com">recrusader@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi, everyone<br><br>How to get the matrix "M_{L}^{-1}" in "M_{L}^{-1}Ax=M_{L}^{-1}b". I have checked the function "PCGetOperators()". It only gets the matrix "pmat" used to obtain the preconditioning matrix. thanks a lot.<br>
<br>Regards,<br><font color="#888888"> Yujie<br><br><br><br>
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