Rihot Gusron
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Activity overview
Latest activity by Rihot Gusron-
Rihot Gusron created a post,
How to model this "nested constraint" in gurobipy?
AnsweredI have this formulation that I called it "nested constraint" (don't know if its right). What is the best way to formulate this in python gurobipy. My current approach is that decompose these wit...
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Rihot Gusron created a post,
Can gurobi run on Android phones?
AnsweredI just want to ask if gurobi can be runned in arm processor on android based because it happens that my phone have more core than pc lol.
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Rihot Gusron commented,
Hi Mr. Sanchez, Thanks for the response. I did double check the model and seems can't find the error. Actually the time windows constraint seems suspicious, as when i comment that out, the solver w...
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Rihot Gusron created a post,
Same nodes but different solution time (VRP Time Windows)
AnsweredHi gurobi support, i just modeled the VRP with Time Windows from this book. The things is i did tried using dummy datas first, with 10 nodes and all the parameter needed for the model to run. The r...
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Rihot Gusron commented,
my model was this, how can i accomodate to change the time windows constraint? Because they do have large number constraint
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Rihot Gusron created a post,
How to improve solver solution time in VRP TW Optimization
AnsweredHi guys, I've been struggling to solve this problem for my research. So my research is about VRP with Time Windows and Heterogenous Fleet consisting of 26 nodes with 4 vehicle available. I have bee...
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Rihot Gusron commented,
I need this too, i want to solve 25 nodes with 4 vehicle VRP TW problem. I have been running for like 2 hours and still no solution. I need helppp...