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unsupported operand type(s) for *: 'int' and 'dict' for constraint Awaiting user input 0 votes 2 comments -
clustering without distances and an objective function Answered 0 votes 5 comments -
clustering and SOS constraints Answered 0 votes 3 comments -
Infeasibility problem Answered 0 votes 3 comments -
MIP Start does not produce an incumbent solution while I can prove that the MIP Start is feasible Answered 0 votes 8 comments -
how can i write a summation if I have maximize for loop from 1-50 or what should I do Answered 0 votes 2 comments -
Repeating identical solutions in the solution pool because of three possible values (1, 0, -1) for binary variables Answered 0 votes 14 comments -
Discrete Coefficient values in objective function as a function of continuous decision variables Answered 0 votes 3 comments -
model outputs wrong value for some variables Answered 0 votes 5 comments -
Solvable Simultaneous Equations Returns "Infeasible model" Answered 0 votes 4 comments -
max general constraint violation error Answered 0 votes 2 comments -
Start MIP Answered 0 votes 2 comments -
Minimise an Excel Formula Answered 0 votes 2 comments -
Technician routing and scheduling problem Answered 0 votes 4 comments -
About how to create variable x_ij Answered 0 votes 2 comments -
Network flow and Truck capacity Answered 0 votes 2 comments -
avoid infinity from logarithmic function in the objective Answered 0 votes 5 comments -
How to constrain MILP to allow only one agent in an area at a time Awaiting user input 0 votes 2 comments -
Solving Nonlinear Integer model with Gurobi Ongoing 0 votes 7 comments -
Optimization Performance - Capacitated Vehicle Routing Problem Answered 0 votes 9 comments -
Modeling sequence dependent setup times via a MIP for flow shop scheduling Awaiting user input 0 votes 2 comments -
MIP gap Answered 0 votes 2 comments -
Explicitly linearizing product of binary variables worsens performance Answered 0 votes 3 comments -
How to not stop my code if model is infeasible Awaiting user input 0 votes 2 comments -
can write() function export the lazyconstraints? Answered 0 votes 5 comments -
MIP with bilinear constraints not converging for large datasets Answered 0 votes 2 comments -
lb and ub of variables Answered 0 votes 13 comments -
Gurobi says the model is infeasible, yet I can come up with a solution by hand. Python implementation Answered 0 votes 15 comments -
Gurobi says the model is infeasible, yet I can come up with a solution by hand Answered 0 votes 2 comments -
Gurobi says model is 'infeasible' but when I run solver.computeIIS() gurobi says it cant be computed because the model is feasible Answered 0 votes 2 comments
Modeling
New postMathematical questions around optimization model formulations