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<P style="MARGIN: 0cm 0cm 10pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-US" lang=EN-US><FONT size=3><FONT face=Calibri>Hello,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></FONT></FONT></SPAN></P>
<P style="LINE-HEIGHT: normal; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-US" lang=EN-US><FONT size=3><FONT face=Calibri>I have a question… Suppose that I want to optimize:<o:p></o:p></FONT></FONT></SPAN></P>
<P style="LINE-HEIGHT: normal; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-US" lang=EN-US><FONT size=3><FONT face=Calibri>Min A+B, and I know that:<o:p></o:p></FONT></FONT></SPAN></P>
<P style="LINE-HEIGHT: normal; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-US" lang=EN-US><FONT size=3><FONT face=Calibri> A=B<o:p></o:p></FONT></FONT></SPAN></P>
<P style="LINE-HEIGHT: normal; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-US" lang=EN-US><FONT size=3><FONT face=Calibri> B+A<20<o:p></o:p></FONT></FONT></SPAN></P>
<P style="LINE-HEIGHT: normal; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-US" lang=EN-US><FONT size=3><FONT face=Calibri> B>=1<o:p></o:p></FONT></FONT></SPAN></P>
<P style="LINE-HEIGHT: normal; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-US" lang=EN-US><FONT size=3><FONT face=Calibri>Obviously, the result is A=B=1…<o:p></o:p></FONT></FONT></SPAN></P>
<P style="LINE-HEIGHT: normal; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-US" lang=EN-US><FONT size=3><FONT face=Calibri>As you can see, the second constraint doesn’t have any effect…<o:p></o:p></FONT></FONT></SPAN></P>
<P style="LINE-HEIGHT: normal; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-US" lang=EN-US><FONT size=3><FONT face=Calibri>In fact, I think that the IPOPT internally do the next:<o:p></o:p></FONT></FONT></SPAN></P>
<P style="LINE-HEIGHT: normal; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-US" lang=EN-US><FONT size=3><FONT face=Calibri>B+A+X=0, <SPAN style="mso-spacerun: yes"> </SPAN>X<20…<o:p></o:p></FONT></FONT></SPAN></P>
<P style="LINE-HEIGHT: normal; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-US" lang=EN-US><FONT size=3><FONT face=Calibri>Well… I want to know how can I know the value of this X’s for all my constraints…<SPAN style="mso-spacerun: yes"> </SPAN>Is this possible??<o:p></o:p></FONT></FONT></SPAN></P>
<P style="LINE-HEIGHT: normal; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-US" lang=EN-US><o:p><FONT size=3 face=Calibri> </FONT></o:p></SPAN></P>
<P style="LINE-HEIGHT: normal; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-US" lang=EN-US><FONT size=3><FONT face=Calibri>Thanks!<o:p></o:p></FONT></FONT></SPAN></P> </div></body>
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