Mathematical questions around optimization model formulations

Horrible presolve time and bad solution Answered
0 votes 1 comment
Adding Constraints Answered
-1 votes 3 comments
PuLP vs. Gurobi
0 votes 2 comments
Adding Constraints Answered
1 vote 4 comments
Piecewise linear approximation to sigmoid function Answered
0 votes 1 comment
If constraints
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a Variable which is the upper bound of a sum Answered
1 vote 3 comments
Solving for optimal Lagrangian multipliers
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A linear objective against a combination of variables. Answered
0 votes 2 comments
Why Objective must be liearn for multi-objective model in Gurobi ? Answered
0 votes 2 comments
The objective bound does not move Answered
0 votes 1 comment
How to Code a parameter in Gurobi/python interface Answered
0 votes 1 comment
How to get the number of binaries after the Presolve? Answered
0 votes 1 comment
Using result of a decisionvariable for further computations Answered
0 votes 5 comments
SOS constraint of any type
0 votes 0 comments
A big gap after 3 hours run!
0 votes 1 comment
How to model the indicator function in Gurobi Answered
0 votes 1 comment
There is in-feasibility issue in Gurobi
0 votes 3 comments
quicksum multiple quicksum
0 votes 1 comment
Model is infeasible or unbounded Using python Gurobi Answered
1 vote 3 comments
invalid expression to quad expr multiplication Answered
0 votes 1 comment
MILP technique against SOS2 method: different result in two same models
0 votes 1 comment
Non-linear Optimization with Gurobi Answered
0 votes 1 comment
Piecewise Linear when objective function depends on two variables Answered
1 vote 1 comment
Boolean comparison of decision variable with parameter Answered
0 votes 1 comment
Dense solution set Answered
0 votes 7 comments
Invalid argument to QuadExpr multiplication Error Answered
0 votes 4 comments