Hello,
<div><br></div><div>I am somehow confused with the usage of PCLU and PCILU ind PETSc.</div><div>It seems as there are the same options to choose from for both.</div><div>In particular, if I use PCLU and <span class="Apple-style-span" style="font-family: monospace; font-size: medium; white-space: pre; ">PCFactorSetFill(pc,5)</span></div>
<div><span class="Apple-style-span" style="font-family: monospace; font-size: medium; white-space: pre; ">don't I end up with an incomplete LU factorization?</span></div><div><font class="Apple-style-span" face="monospace"><span class="Apple-style-span" style="white-space: pre; font-size: medium;">If I use PCLU with no other options set, will the</span></font></div>
<div><font class="Apple-style-span" face="monospace"><span class="Apple-style-span" style="white-space: pre; font-size: medium;">factorization be complete?</span></font></div><div><font class="Apple-style-span" face="monospace"><span class="Apple-style-span" style="white-space: pre; font-size: medium;"><br>
</span></font></div><div><font class="Apple-style-span" face="monospace"><span class="Apple-style-span" style="white-space: pre; font-size: medium;">Thanks,</span></font></div><div><font class="Apple-style-span" face="monospace"><span class="Apple-style-span" style="white-space: pre; font-size: medium;">Verena</span></font></div>