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<p class="MsoNormal">Matt, thank very much you for the reply. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Jiannan<o:p></o:p></p>
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<p class="MsoNormal"><b>From:</b> Matthew Knepley <knepley@gmail.com> <br>
<b>Sent:</b> Wednesday, June 29, 2022 2:58 PM<br>
<b>To:</b> Tu, Jiannan <Jiannan_Tu@uml.edu><br>
<b>Cc:</b> petsc-users@mcs.anl.gov<br>
<b>Subject:</b> Re: [petsc-users] KPS and linear complex equation system<o:p></o:p></p>
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<p class="MsoNormal">On Wed, Jun 29, 2022 at 2:24 PM Tu, Jiannan <<a href="mailto:Jiannan_Tu@uml.edu">Jiannan_Tu@uml.edu</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I have a quick question. Petsc can be configured with complex number. can KSP then be used to solve linear equations of complex number, that is, both the matrix elements and solutions are complex,
directly without separation real and imaginary parts?<o:p></o:p></span></p>
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<p class="MsoNormal">Yes. Not all solvers make sense in this mode, but some do.<o:p></o:p></p>
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<p class="MsoNormal"> Thanks,<o:p></o:p></p>
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<p class="MsoNormal"> Matt<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Thank you very much.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Best<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Jiannan Tu<o:p></o:p></span></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal">What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>
-- Norbert Wiener<o:p></o:p></p>
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<p class="MsoNormal"><a href="https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.cse.buffalo.edu%2F~knepley%2F&data=05%7C01%7CJiannan_Tu%40uml.edu%7C0009570c098f418a229c08da5a0161e8%7C4c25b8a617f746f983f054734ab81fb1%7C0%7C0%7C637921259223660199%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=hGIlXsWhVWqY6PuFWM8WKiwtE6WZw1XqizHdsocVRwY%3D&reserved=0" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><o:p></o:p></p>
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