<div dir="ltr">KSPSetOperator tells the KSP that the PC should be resetup.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jul 21, 2020 at 3:45 PM Alex Fleeter <<a href="mailto:luis.saturday@gmail.com">luis.saturday@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi:<div><br></div><div>I want to ask under what circumstance will trigger a call for pc setup. </div><div><br></div><div>I call KSPSolve to solve with the same Mat object with different entry values each time. I can see that the pc setup is only called at the beginning of the first solve. </div><div><br></div><div>I tried to read the implementation, but quickly get lost...</div></div>
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