Ahmed Azab

Gurobi Staff Gurobi Staff
  • Total activity 37
  • Last activity
  • Member since
  • Following 0 users
  • Followed by 0 users
  • Votes 2
  • Subscriptions 17

Activity overview

Latest activity by Ahmed Azab

  • Ahmed Azab commented,

    1. Community
    2. Programming
    3. Gurobipy_pandas

    That's correct if your WLS license type has enough sessions to use on multiple machines. Please refer to the  Web License Manager webpage for more details. This article is also helpful for understa...

  • Ahmed Azab commented,

    1. Community
    2. Programming
    3. Gurobipy_pandas

    Hi Terence, If you remove the "params" from env=gp.Env(params=params), the code should still work—as long as the license file is correctly placed in the expected path. However, for WLS, you still h...

    • View comment
    • Ahmed Azab
    • Edited
    • 0 votes

  • Ahmed Azab commented,

    1. Community
    2. Programming
    3. Gurobipy_pandas

    Hi Terence, Could you please share the link to the Gurobi Jupyter Notebook example you are trying to run? Are you trying to run it locally on your machine? Did you edit something in it? Regards,-Ahmed

  • Ahmed Azab commented,

    1. Community
    2. Programming
    3. Gurobipy_pandas

    Hi Terence, Please make sure that your gurobipy_pandas package is correctly installed.  You can check this by running this command:  !pip show gurobipy_pandas You should see something like the foll...

    • View comment
    • Ahmed Azab
    • Edited
    • 0 votes

  • Ahmed Azab commented,

    1. Community
    2. Modeling
    3. Gurobipy getConstrByName not working with quadratic constraints

    Hi,You can retrieve the quadratic constraints in the model by using the Model.getQConstrs() method. Best Regards,-Ahmed

  • Ahmed Azab commented,

    1. Community
    2. Modeling
    3. Trouble using gp.abs_()

    Hi, The Model.getConstrByName method is designed to retrieve a linear constraint by its name. However, you can define your absolute constraint using the special method Model.addGenConstrAbs, and th...

    • View comment
    • Ahmed Azab
    • Edited
    • 0 votes

  • Ahmed Azab commented,

    1. Community
    2. Programming
    3. Apparently feasible start solution ignored.

    Hi Marco, Please refer to this article explaining why you see a "User MIP start did not produce a new incumbent solution."Best Regards-Ahmed

  • Ahmed Azab commented,

    1. Community
    2. Programming
    3. MIP does not find any incubment solutions

    Hi, Please try using the latest Gurobi version 11.0.3. Compared to the version you are using (9.1.2), there have been many more advanced features and more powerful techniques for QCP and MIQCP mode...

    • View comment
    • Ahmed Azab
    • Edited
    • 1 vote

  • Ahmed Azab commented,

    1. Community
    2. Algorithms
    3. Why Gurobi cannot find the solution to a simple Quadratic Optimization Problem?

    Hi,I solved your model using Gurobi version 11.0.3.  Optimal solution found (tolerance 1.00e-04) Best objective 1.661528493733e-02, best bound 1.661528493733e-02, gap 0.0000% Note that the default ...

    • View comment
    • Ahmed Azab
    • Edited
    • 0 votes

  • Ahmed Azab commented,

    1. Community
    2. Algorithms
    3. How parameters work

    Hi Khadija,Kindly refer to the Parameters section in the Gurobi references manual to learn more about these parameters.Best Regards,-Ahmed

    • View comment
    • Ahmed Azab
    • Edited
    • 0 votes