Sanjeev Bhurtyal
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Activity overview
Latest activity by Sanjeev Bhurtyal-
Sanjeev Bhurtyal created a post,
Multiprocessing produce different results in each run.
Awaiting user inputI used the following code for multiprocessing, but it gives different results in each run. Am I doing something wrong? import multiprocessing as mpimport gurobipy as gp def solve_model(input_data):...
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Sanjeev Bhurtyal created a post,
Different Dual values?
Awaiting user inputWhy do I get different dual values for the same problem when I use model.getAttr("Pi", constraint list) and model.getConstrbyName("Constraint Name").pi? mdlSP = gurobipy.model("Problem")#1st Formul...
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Sanjeev Bhurtyal commented,
Thank you Matthias for your comment. I am implementing Benders Decomposition algorithm. I need to solve sub problem 9 times in each iteration till the stopping criteria is met. Solving subproblem f...
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Sanjeev Bhurtyal created a post,
Gurobi Multiprocessing
OngoingI am trying to implement multiprocessing to run 9 scenarios in parallel. I have a single model for which constraints are changed based on each scenario. I am trying to run these scenarios in parall...
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Sanjeev Bhurtyal commented,
Hi Jaromil, There was a bug in the code. After I fixed it, the code runs fine now. Thank you for your help. Sanjeev
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Sanjeev Bhurtyal commented,
Thank you Jaromil for your comment. I am implementing Benders Decomposition algorithm. For each scenario, I change RHS of one of the scenario specific constraint. In an iteration, I solve the model...
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Sanjeev Bhurtyal created a post,
Start the solution from .sol file for LP.
Awaiting user inputMy problem is scenario specific. I need to iterate a problem over 9 times in each iteration. I want to save the .sol of each scenario from one iteration and use this sol file as the starting point ...