
Bhartendu Awasthi
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Activity overview
Latest activity by Bhartendu Awasthi-
Bhartendu Awasthi commented,
Please find below the code listing : import gurobipy as gpfrom gurobipy import GRBimport itertools# ------- DATA -------#NbHouses = 5WorkerNames = ["Joe", "Jim"]TaskNames = [ "masonry", "carp...
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Bhartendu Awasthi commented,
Thanks Riley for the advice. Thanks David for your response. Regarding your question : The main issue is coming from the subproblems; the shift patterns that you are producing are always the same,...
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Bhartendu Awasthi created a post,
Column generation with employee shift scheduling
Awaiting user inputHi, I am trying to apply column generation on an employee shift scheduling problem. Please find below my code. What I see with my code is that solving for the sub-problem always creates the same sh...
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Bhartendu Awasthi commented,
Thank you Riley. Learnt something new from your note. Regards Bhartendu
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Bhartendu Awasthi commented,
Thank you Riley. I was able to extend the no overlap constraint to include transition time constraints. It works. I will also, incorporate your strengthening constraints, but even without it Gurobi...
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Bhartendu Awasthi created a post,
Scheduling with Gurobi - how to order / sequence tasks
AnsweredI am using Gurobi to solve a popular scheduling problem. I am struggling to add a constraint which requires sequencing of different tasks. I am sharing some background around the problem below. Als...
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Bhartendu Awasthi commented,
WOW ! Thanks Riley for such a detailed explanation. Everything is crystal clear now.I will definitely use the above patterns in my live projects. Thanks again,Bhartendu
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Bhartendu Awasthi commented,
Thanks Riley for the prompt response. model = gp.Model("")ind = pd.Series(range(500))bin_varb = gppd.add_vars(model, ind, vtype="B") int_varb = gppd.add_vars(model, ind, vtype="I")# I want to expre...
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Bhartendu Awasthi created a post,
How to add indicator constraints when using gurobipy pandas
AnsweredI find gurobipy pandas very efficient in model building especially when the input data is very large and takes the form of a pandas data frame. Is there a way to write indicator constraints with gu...