Gwyneth Butera

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Latest activity by Gwyneth Butera
  • Gwyneth Butera commented,

    Hi Amal - It looks like Gurobi is using the ;license from the pip installer. This Knowledge Base article might help How do I resolve a "Model too large for size-limited Gurobi license" error? 

  • Gwyneth Butera commented,

    Gurobi solves your model with the barrier method. As an interior point method, the barrier does not compute a basic solution (i.e., one in a vertex of the feasible region) but an interior one, that...

  • Gwyneth Butera commented,

    Official comment

    Thanks for providing the log. You can see that the Gurobi solve does terminate in just about 200s: Explored 1 nodes (141611 simplex iterations) in 209.29 seconds (148.67 work units) I suspect tha...

  • Gwyneth Butera commented,

    Official comment

    Singularity has a closer connection to the host system, thus a WLS license will not work with it currently. You should be able to use a token license if your HPC has an academic site license instal...

  • Gwyneth Butera commented,

    Official comment

    As I mentioned in my reply in the support request, the typical way to do this is to use auxiliary variables. Please see How to add a constraint which is the absolute value is smaller than a constan...

  • Gwyneth Butera commented,

    Hi - To me it looks like you might have a problem in the way you set the system variable. Where is the license file located?

  • Gwyneth Butera commented,

    Please refer to our Knowledge Base article How do I resolve a "Model too large for size-limited Gurobi license" error? and let us know if that resolves your issue.

  • Gwyneth Butera commented,

    Pi values are only available for convex, continuous problems.   If you are solving a QCP, there are a couple of extra steps to get your duals.  To get the duals of linear constraints, set the QCPD...

  • Gwyneth Butera created an article,

    Gurobi 9.5.1 released

    As of February 2022, Gurobi version 9.5.1 is officially released!  Please download this newest minor release from the Download Center on our website. Further information Download the latest versio...

  • Gwyneth Butera commented,

    It seems that something in your conda environment is not quite right.  Can you remove the gurobi package with conda remove gurobi? download and install the full Gurobi package as described in How...