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Juan Esteban Calle Salazar

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1 to 9 of 9 total
Posted By Juan Esteban Calle Salazar Mon April 12, 2021 09:15 PM
Found In Egroup: Decision Optimization
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Hi Philippe, Thanks for your answer. I decided to move to full python implementation. So, I might be asking you things in the near future. Juan ------------------------------ Juan Esteban Calle Salazar ------------------------------
Posted By Juan Esteban Calle Salazar Mon April 12, 2021 09:12 PM
Found In Egroup: Decision Optimization
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Hi Vincent. Thanks for your answer. Finally, I decided to move to a full python implementation of the model. And I am working in the translation. Thanks! ------------------------------ Juan Esteban Calle Salazar ------------------------------
Posted By Juan Esteban Calle Salazar Thu February 11, 2021 11:26 PM
Found In Egroup: Decision Optimization
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Hi Vincent, thanks so much for your message. Your suggestion has made me think if I should redefine the approach I was thinking to implement a Customised Benders Algorithm. To implement this type algorithm do you recommend me to go for a full Concert-Technology based approach? Another question. ...
Posted By Juan Esteban Calle Salazar Tue February 09, 2021 12:58 AM
Found In Library: Decision Optimization
#DecisionOptimization
Posted By Juan Esteban Calle Salazar Tue February 09, 2021 12:58 AM
Found In Egroup: Decision Optimization
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Hi Cplex community, I am trying to learn to retrieve the Farkas certificates in Cplex, but I have not managed to do it. I created this simple toy model, but when I call the .dualFarkas method the arrayValues (the array in which I am planning to store the Farkas certificates), elements are null. ...
Posted By Juan Esteban Calle Salazar Thu January 21, 2021 06:38 PM
Found In Egroup: Decision Optimization
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Vincent, Thanks a lot for your guidance. The mistake was where you point me, I was not properly updating yb. Instead of writing: yb = relaxedMaster.y I had to write: for (i in Plants)( for (j in Customers)( yb[i][j]=relaxedMaster.y[i][j]; ) ) I am attaching the updated version of the ...
Posted By Juan Esteban Calle Salazar Thu January 21, 2021 06:37 PM
Found In Library: Decision Optimization
#DecisionOptimization
Posted By Juan Esteban Calle Salazar Fri January 15, 2021 11:01 AM
Found In Egroup: Decision Optimization
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Hi all, I am trying to code the Benders Algorithm to solve the Fixed Charge Transportation Problem. The code runs fine the first iteration: I can solve the dual subproblem and then the master problem, but I get this error in the second iteration: Oplrun process is not responding, you must relaunch ...
Posted By Juan Esteban Calle Salazar Fri January 15, 2021 02:00 AM
Found In Library: Decision Optimization
#DecisionOptimization