Elisabeth Rodríguez Heck

Gurobi Staff Gurobi Staff
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Activity overview

Latest activity by Elisabeth Rodríguez Heck
  • Elisabeth Rodríguez Heck commented,

    Hi, You will receive an e-mail to the address with which you registered for the webinar. This can take a week or a bit more. In case you miss the e-mail, you can keep an eye on our events website h...

  • Elisabeth Rodríguez Heck commented,

    Hi Peilin, Good to read that the NoRel Heuristic helps improving the best incumbent so much. Some other things that may help: The MIP start that you are providing leaves many binary variables unas...

  • Elisabeth Rodríguez Heck commented,

    Thanks for your advices. Since my problem is NP-hard, It is very hard to solve. So I have to spend all the time finding a better solution. Have you tried other parameters not focusing on heuristi...

  • Elisabeth Rodríguez Heck commented,

    Hi, If you want Gurobi to only spend time finding a good solution in 500s, you can set NoRelHeurTime=500 and TimeLimit=500. This will make Gurobi apply the NoRel Heuristic for the whole time limit ...

  • Elisabeth Rodríguez Heck commented,

    Hi Regina, Yes, the method used here is Branch-and-Cut. Best regards, Elisabeth

  • Elisabeth Rodríguez Heck commented,

    Sorry, I realize now that you said one server with multiple users. I thought you meant a cluster with multiple machines, in which case Educational Institution Site licenses are the most suitable op...

  • Elisabeth Rodríguez Heck commented,

    Hi Sofia, It sounds like you are looking for an Educational Institution Site License. Quoting the article: Gurobi also offers a multi-user Educational Institution Site license that provides a centr...

  • Elisabeth Rodríguez Heck commented,

    Hi Regina, I understand your confusion, this was not completely clear in the Gurobot reply. Branch-and-cut is essentially branch-and-bound with the addition of using Cutting Planes to tighten the L...

  • Elisabeth Rodríguez Heck commented,

    Hi Sudheer, This is a very interesting topic.  A powerful property related to this is Total Unimodularity. See for example the resources: https://theory.stanford.edu/~jvondrak/MATH233B-2017/lec3.p...

  • Elisabeth Rodríguez Heck commented,

    Hi Kalyan, I already created a ticket for you (#67475), you should have received an e-mail, or be able to see it in the Gurobi Help Center under "Requests". This error means that you are trying to ...