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> Yujie<br><br><br><br>