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Recent activity by Fan YANG Recent activity Votes
  • academic license time


    Dear, I would ask that now the academic license is vaild for two months? not 1 year?   Many thanks, Fan

  • MIP Start and callback

    Dear, I am using "MIP start" to give an initial solution to Gurobi; at same time I also use callback function to generate cuts.  After setting "MIP start" and Gurobi starting , the callback functio...

  • About Farkas Dual in Benders Decomposition


    Dear,I am working on a Benders Decomposition, and I would like to add feasiblity cuts to master problem by Farkas dual. I have several problems as: 1.  The value returned by the call of farkas dual...

  • Cut loop at root node of MIP


    Dear, I try to learn the operations of Gurobi at root node for MIP. I have a MIP by C++, and I set   model.set(GRB_IntParam_Cuts, 0);Meanwhile, I write call back function as: if (where == GRB_CB_MI...