<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><div>Hi All:<br><br>I am using the MUMPS solver with IpOpt. My log file shows the following message:<br><br>Too few degrees of freedom (n_x = 0, n_c = 1).<br> Trying fixed_variable_treatment = RELAX_BOUNDS<br><br>What exactly does this mean? <br><br>Thanks.<br>Krishnan<br></div></div><br>
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