Irene Alisjahbana

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Latest activity by Irene Alisjahbana
  • Irene Alisjahbana created a post,

    Non-linear constraint and objective


    Hello all,  I am trying to model a modified location-allocation problem where each facility acts as a M/M/s queuing system (similar to J Wang et al. 2020). The objective is to minimize the waiting ...

  • Irene Alisjahbana commented,

    Hi Eli,  Thank you for your quick reply. Apologies for the error. You are correct, I was trying to demonstrate the second set of constraints.  This makes a lot of sense and is exactly what I was lo...

  • Irene Alisjahbana created a post,

    How to define constraints over multiple dimensions?


    Hello,  I am new to Gurobi and would like to model a simple resource allocation problem. I have looked at the example Jupyter notebooks on Github but I am still having trouble defining the constrai...