Marina Csanady

Gurobi-versary
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Recent activity by Marina Csanady Recent activity Votes

  • Subtour Elimination for several vehicles (VRP)

    1. Community
    2. Programming

       Hi,I try to implement the Subtour Elimination constraint for a Vehice Routing Problem with the "callback methode". I tried to modify the code from tsp.py so it would work with several vehicles (...

    • Marina Csanady
    • 2 followers
    • 0 comments
    • 1 vote

  • Binary Variables were assigned a continous value

    Answered
    1. Community
    2. Algorithms

    I have a model with only binary or integer variables, but after solving my model, some variables are assigned a continous value. I cannot figure out why...I implemented the variables as follows. Af...

    • Marina Csanady
    • 2 followers
    • 1 comment
    • 0 votes

  • using "if" in addVars()

    Answered
    1. Community
    2. Programming

    I'm working on a  problem with a lot of variables. In fact to much variables to run in reasonable time. My first approach was to create all possible varibles and delete the unnecessary ones (via mo...

    • Marina Csanady
    • 2 followers
    • 3 comments
    • 0 votes