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<div><span></span>Dear all,</div><div><br></div><div><br></div><div>I am using SCIP with cplex to implement the branch and price for minimization problem.</div><div><br></div><div>I found after several columns were added at each round, the resulting model has an optimal solution of which some variables have negative reduced cost (min problem). </div>
<div><br></div>Thanks,
<div><br></div><div>Xiangyong</div></body></html>