Nicolas Zerega

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Recent activity by Nicolas Zerega Recent activity Votes

  • Do lazy constraints always cut integer solutions?

    Answered

    Dear all, I'm currently trying to test some optimality cuts via callbacks as lazy using python. The issue I'm encountering is that the incumbent doesn't update even if the current solution doesn't ...

    Nicolas Zerega 4 followers 7 comments 0 votes

  • About cbSetSolution() and cbUseSolution()

    Answered

    Dear all, While using Python, I'm encountering a "weird" behaviour. In my code, everytime a MIP solution is found (MIPSOL) I check whether it is feasible. In case it isn't I can, heuristically, mak...

    Nicolas Zerega 2 followers 2 comments 0 votes

  • Get the extreme ray from infeasible primal

    Awaiting user input

    Dear all, I'm currently solving a continuous model using the dual-simplex method with Python in order to obtain cuts that then have to be added to another MIP. This model can be optimal or infeasib...

    Nicolas Zerega 2 followers 1 comment 0 votes