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<p class=MsoNormal>Greetings,<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>I am new to COIN-OR and am having difficulty programming my
objective function, a multiple summation.&nbsp; Any assistance you can offer
regarding how to code this would be greatly appreciated!<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>The objective function is the x(sub i) times y(sub i,j)
summing for all values of i and j.&nbsp; I have copied the equation below, but
cannot state how it will travel through email as text.<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal><!--[if gte msEquation 12]><m:oMathPara><m:oMath><m:nary><m:naryPr><m:chr 
     m:val="&#8721;"/><m:limLoc m:val="undOvr"/><m:supHide m:val="on"/><span 
    style='font-family:"Cambria Math","serif";font-style:italic'><m:ctrlPr></m:ctrlPr></span></m:naryPr><m:sub><i><span 
    style='font-family:"Cambria Math","serif"'><m:r>i</m:r><m:r>&#8712;</m:r><m:r>I</m:r></span></i></m:sub><m:sup></m:sup><m:e></m:e></m:nary><m:nary><m:naryPr><m:chr 
     m:val="&#8721;"/><m:limLoc m:val="undOvr"/><m:supHide m:val="on"/><span 
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      style='font-family:"Cambria Math","serif"'><m:r>y</m:r></span></i></m:e><m:sub><i><span 
      style='font-family:"Cambria Math","serif"'><m:r>i</m:r><m:r>,</m:r><m:r>j</m:r></span></i></m:sub></m:sSub></m:e></m:nary></m:oMath></m:oMathPara><![endif]--><![if !msEquation]><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><img width=92
height=41 id="_x0000_i1025" src="cid:image001.png@01C9B30C.026CBD30"></span><![endif]><o:p></o:p></p>

<p class=MsoNormal>&nbsp;<o:p></o:p></p>

<p class=MsoNormal>I am using Microsoft Visual Studio C++ 2008 (I have access
to 2005 as well) if that makes a difference<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>Many thanks!<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span><![endif]>Dan<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

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