Anne Li van der veen

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Recent activity by Anne Li van der veen Recent activity Votes

  • How to check which constraints make model infeasible?

    Answered

    Hi all, When i try to solve my optimization model i receive the following output, how can i check which constraint makes the model infeasible/how can i fix this best?  furthermore, i get an error w...

    Anne Li van der veen 3 followers 6 comments 0 votes

  • Modelling Multi period flows

    Awaiting user input

    Hi all,  im trying to model the following network where the arcs represent a specific flow of goods that is send through the network. there are some fixed arcs included in the network (e.g., the fl...

    Anne Li van der veen 3 followers 2 comments 0 votes

  • Include time periods into arcs

    Ongoing

    hi all,  im trying to model the following network into python, as input for my mathematical model. however, i do not know how to include the different time periods to the possible connections betwe...

    Anne Li van der veen 3 followers 5 comments 0 votes

  • Key error objective function

    Awaiting user input

    hi all, im trying to code my objective function but keep getting a key error ( KeyError: (1, 3, 'RC', 'CPM') ), dont know how to resolve it. any help would be appreciated  #Import packagesimport py...

    Anne Li van der veen Edited 3 followers 3 comments 0 votes