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For questions about mathematical optimization problems involving both continuous and binary or general integer variables.

1 vote
4 answers
205 views

Multi-period Inventory Balance in Gurobipy

I would like to get the inventory balance in the oponed facility $\text{C}$ such that, the Inventory at time $t$ is equal to the previous one, plus the inflow minus the outflow. I have tried to create …
Abde's user avatar
  • 81
1 vote
0 answers
36 views

Auxiliary parameters for two uncertain parameters Robust Optimization

I have the following constraint for robust counterpart formulation, where two uncertain parameters appear at the same time; $\sum{QG_{ij}}$*${\theta}$+$\sum_{}\sum{QD_{ij}}*p $ * ${\theta}$ where; ${Q …
Abde's user avatar
  • 81
2 votes

Robust optimization for IP formulation

you may check this https://pubs.acs.org/doi/full/10.1021/ie200150p ,there are two other papers related to that, II and III, I hope you will find it useful.
Abde's user avatar
  • 81
0 votes
2 answers
224 views

Modelling with Gurobi-Python a Supply Chain Problem

I would like to write the following simple model in GurobiPy, which is part of many terms that's belongs to the objective function, I assumed that I have three suppliers are selected and three warehou …
Abde's user avatar
  • 81
0 votes
0 answers
68 views

Gurobi-Python, unmet demand of customers

I would like to capture the unmet demand by modeling the following constraint with two decision variables. where $QU_{wc}$ is the unmet demand and $QW_{wc}$ the shipped amount of products. I model the …
Abde's user avatar
  • 81