Tanmoy Das
Data Scientist, currently final year in PhD at Dalhousie University. Working on a resource optimization problem
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Recent activity by Tanmoy Das-
How to accurately calculate reduced cost when generating one column in column generation?
AnsweredHello good people, I am working on a variant of VRP & solving it using Column Generation. The objective function of the pricing problem is my reduced cost (RC) of each route/sequence. My initial ...
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How to use non-defaults solution algorithm in Gurobi?
AnsweredHello, I am writing a MIP model in Gurobipy. As I understand from documentation that Gurobi by default uses B&C algorithm to solve a MIP problem. How can I use another solution algorithm (if any ot...
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How to print objective values, runtime of each iteration?
AnsweredHello, I need to print values of objective for each iteration (not just two iterations as shown below). I think callback function could be useful. But, cant find the correct syntax. Note: it's a MI...
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How to add m.ModelSense for multiobjective optimization?
AnsweredHi, I have two objectives, one to maximize another one to minimize. How to tell the model that obj1 is maximization and obj2 is minimization? The below ModelSense will consider both objectives as m...