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<body class='hmmessage'><div dir='ltr'>I would like to run bi-objective Set cover and Set pack problems. Attached files are some examples that I want to run. MCKP and these problems are quite different. I don't know how to apply MCKP or either use any other ways to run these problems.<div><br></div><div>Thank you,</div><div>Papis <br><br><div>> Date: Thu, 12 Sep 2013 12:30:04 -0500<br>> From: hennebry@web.cs.ndsu.nodak.edu<br>> To: papis_31@hotmail.com<br>> CC: symphony@list.coin-or.org<br>> Subject: RE: [Symphony] biobjective problems<br>> <br>> On Thu, 12 Sep 2013, Papis Wongchaisuwat wrote:<br>> <br>> > I want to have multiple solutions which form a pareto frontier. I do understand that I should run the solver several times.However, I thought Symphony has that function built in. I tried MCKP (bicriteria knapsack problems) application and it works. I also want to run other bicriteria problems which I don't know how to do that.<br>> <br>> Apparently it does.<br>> It has been a while since I actually used Symphony.<br>> Appently one has to add the second objective<br>> and invoke mulitCriteriaBranchAndBound.<br>> I'm unclear n how one collects the solutions.<br>> Presumably this is all the same for MCKP.<br>> What particular problem are you having?<br>> <br>> -- <br>> Michael hennebry@web.cs.ndsu.NoDak.edu<br>> "On Monday, I'm gonna have to tell my kindergarten class,<br>> whom I teach not to run with scissors,<br>> that my fiance ran me through with a broadsword." -- Lily<br></div></div>                                            </div></body>
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