Sofia Perez-Guzman

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Activity overview

Latest activity by Sofia Perez-Guzman
  • Sofia Perez-Guzman commented,

    Sending the log again:  Changed value of parameter NonConvex to 2    Prev: -1  Min: -1  Max: 2  Default: -1 Changed value of parameter DUAL_REDUCTIONS to 0    Prev: 1  Min: 0  Max: 1  Default: 1 Ch...

  • Sofia Perez-Guzman created a post,

    Suboptimal solution returned as optimal in MIP

    Awaiting user input

    Hi, I am running an MIP formulation (in Python) that ends with aprox. 0.01% optimality gap. However, I found the solution is not optimal. I tried then providing an initial starting point, and then ...

  • Sofia Perez-Guzman commented,

    Hi Jaromił, What I mean is to stop the run by clicking on the stop button of the Jupiter Lab window. When I've done it in this computer that works, it tops the optimization process and provides the...

  • Sofia Perez-Guzman created a post,

    Unable to stop run

    Answered

    Hi, I'm trying to stop a run (since the model takes too long to solve and the solution doesn't improve), but I want to keep whatever solution the model finds so far. However, when I click the stop ...

  • Sofia Perez-Guzman created a post,

    How to define contraints when the size of the set is determined within the model?

    Answered

    Hi, I'm trying to write a model for which the size of some sets is defined from a variable within the model. The following constraint is giving me trouble: I want that, if the optimal "n" is "a", t...

  • Sofia Perez-Guzman created a post,

    How to handle multiple non-linear constraints?

    Answered

    Hi Gurobi team! I'm currently modeling a quite non-linear formulation and I'm having trouble with the following: I have a set of constraints with the addGenConstrExp function, and they seem to not ...