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<p class="MsoNormal">I am using the SCIP framework to implement a column generation algorithm for a MIP defined on a network in which I generate variables for each arc in the network by solving a pricing problem. Does it matter which of the following I do:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">For each arc, solve the pricing problem and add variables with negative reduced costs via SCIPcreateVar and SCIPaddPricedVar<o:p></o:p></li></ol>
<p class="MsoListParagraph">Or<o:p></o:p></p>
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<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">Solve the pricing problem for each arc, then after all arcs have been priced add the variables with negative reduced costs via SCIPcreateVar and SCIPaddPricedVar<o:p></o:p></li></ol>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks, Mike<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Helvetica;color:black;mso-ligatures:none">Mike Hewitt<br>
Professor <br>
Quinlan School of Business, Loyola University Chicago<br>
<a href="mailto:mhewitt3@luc.edu"><span style="color:#0563C1">mhewitt3@luc.edu</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Helvetica;color:black;mso-ligatures:none">Like this: <a href="https://www.linkedin.com/showcase/supply-chain-and-sustainability-center-loyola-university-chicago/?viewAsMember=true" title="https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.linkedin.com%2Fshowcase%2Fsupply-chain-and-sustainability-center-loyola-university-chicago%2F%3FviewAsMember%3Dtrue&data=05%7C02%7Cmhewitt3%40luc.edu%7C1bc2f8f4bb2a407d2d2c08dd52075b1e%"><span style="color:#0563C1">Follow
 the Supply Chain and Sustainability Center on LinkedIn</span></a><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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