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Recent activity by JUN ZHOU Recent activity Votes
  • Issue with updating gurobipy version


    I attmpted to upgrade the gurobipi version using pip, as show below . Something went wrong. Thanks for your help. python -m pip install gurobipy==10.0.1 ERROR: Cannot uninstall 'gurobipy'. It is a ...

  • Unbounded constraint


    Dear Comunity, I'm considering a dual problem and suppose it has such form. But I don't know how to model the constraint, though it looks like linear programming. I'm a little confused. Could you d...

  • loop for conditioanl constraint


    Dear Community, I have been trapped in the loop for conditioanl constraints. As shown in below, y, b and count are variables. Train_Sample are knwon. Here I just plan to compare y and Train_Sample....