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<DIV>Hello,</DIV>
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<DIV> Is there function in PETSc for judging the properties of the matrix A ? Such as positive definitiveness and </DIV>
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<DIV>conditional number. I know that there are several functions begin with MatIs+, but it has limited amounts. </DIV>
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<DIV> Thanks.</DIV>
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<DIV> Jim</DIV></div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span>