Mathematical questions around optimization model formulations

Trouble with indexing in Gurobi Answered
3 votes 10 comments
Implement constraints correctly Answered
2 votes 1 comment
How can I normalize a variable? Answered
2 votes 10 comments
Modeling if constraints with interger variable Answered
2 votes 1 comment
logical constraint Answered
2 votes 1 comment
How to use gurobi to implement interval variable in cplex.cp Answered
1 vote 4 comments
Convex vs SOCP Constraint Answered
1 vote 1 comment
Matrix Invertibility and Some Minimums Answered
1 vote 3 comments
tupledict.prod() with partial dictionary key Answered
1 vote 6 comments
Creating conditional binary variables Answered
1 vote 2 comments
Is abs_() in Gurobi linear or non-linear? Answered
1 vote 1 comment
Simplifying the set of constraints of an optimization problem Answered
1 vote 8 comments
Please help with this program Answered
1 vote 3 comments
How to put a floor function as a constraint Answered
1 vote 1 comment
Validity of a VRP formulation and code Answered
1 vote 3 comments
how to rislove non linear error of my code, it is min flow but with linear function in 3 pieces Answered
1 vote 3 comments
Obtain a feasible solution but there are constraints that are not met. Answered
1 vote 1 comment
Mutual Information as PWL Constraint Answered
1 vote 4 comments
Chain of Linear Expressions: Dynamically updating subsequent linear expressions Awaiting user input
1 vote 1 comment
Global Optimum for QCLP Answered
1 vote 4 comments
Retrieve an existing solution of decision variables and and assing it to another one Answered
1 vote 2 comments
(Believed to be Optimal) Solution found super quickly, takes forever to certify it with dual Answered
1 vote 1 comment
Time needed to create gurobi constraints is too long Answered
1 vote 6 comments
consecutive shifts constrains Answered
1 vote 11 comments
Column Generation - Large Dual Prices Awaiting user input
1 vote 1 comment
the GAP is big Answered
1 vote 1 comment
Declare objective function and constraints in Python Answered
1 vote 1 comment
Root relaxation single thread Ongoing
1 vote 4 comments
hyperbolic sine of the elements of X Answered
1 vote 3 comments