<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div><br></div> New error checking to prevent this confusion in the future: <a href="https://gitlab.com/petsc/petsc/-/merge_requests/6804">https://gitlab.com/petsc/petsc/-/merge_requests/6804</a><div><br><div><br><blockquote type="cite"><div>On Aug 10, 2023, at 6:54 AM, Matthew Knepley <knepley@gmail.com> wrote:</div><br class="Apple-interchange-newline"><div><div dir="ltr"><div dir="ltr">On Thu, Aug 10, 2023 at 2:30 AM maitri ksh <<a href="mailto:maitri.ksh@gmail.com">maitri.ksh@gmail.com</a>> wrote:<br></div><div class="gmail_quote"><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">I am unable to understand what possibly went wrong with my code, I could load a matrix (large sparse matrix) into petsc, write it out and read it back into Matlab but when I tried to use MatView to see the matrix-info, it produces error of some 'corrupt argument, #valgrind'. Can anyone please help?</div></blockquote><div><br></div><div>You use</div><div><br></div><div> viewer = PETSC_VIEWER_STDOUT_WORLD</div><div><br></div><div>but then you Destroy() that viewer. You should not since you did not create it.</div><div><br></div><div> THanks,</div><div><br></div><div> Matt</div><div> </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>Maitri</div></div>
</blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>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</div><div><br></div><div><a href="http://www.cse.buffalo.edu/~knepley/" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br></div></div></div></div></div></div></div></div>
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