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<p class="MsoNormal">Hello,</p><p class="MsoNormal"><br></p><p class="MsoNormal">I am solving large (2000 decision variables) quadratic optimization problems and I obtain error message copied below. For smaller instances (1000 var), Ipopt converges. <br></p><p class="MsoNormal"><br></p><p class="MsoNormal">Could you please let me know what this error message means and how I could avoid it?</p><p class="MsoNormal"><br></p>WARNING: Problem in step computation; switching to emergency
mode.
<p class="MsoNormal"><span style=""> </span>1r9.9999900e-003
1.91e+001 9.99e+002<span style=""> </span>1.3 0.00e+000<span style=""> </span>-<span style="">
</span>0.00e+000 0.00e+000R<span style=""> </span>1</p>
<p class="MsoNormal">MUMPS returned INFO(1) =-13 - out or memory.</p>Restoration phase is called at point that is almost
feasible,<span style=""> </span>with constraint
violation 1.734723e-018. Abort.
<p class="MsoNormal">Restoration phase in the restoration phase failed.</p>
<br>Thanks,<br><br>Pratim<br><br> </body>
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