<div dir="ltr">Others would know more than me but there is a non-complex example inĀ src/mat/tests/ex72.c<div><br></div><div>Mark</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jun 10, 2022 at 7:52 PM luciano Hammond Noratto <<a href="mailto:lokie1372@gmail.com">lokie1372@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"><div>Hello,</div><div><br></div><div>I was trying to read a matrix and vector from here <a href="https://sparse.tamu.edu/FEMLAB/waveguide3D" target="_blank">https://sparse.tamu.edu/FEMLAB/waveguide3D</a> and then solve the linear system in parallel without success. I'm new in PETSC, I'd really appreciate it if someone could help me to solve this problem.</div><div><br></div><div>Luciano<br></div></div>
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