Modeling – Gurobi Help Center

Mathematical questions around optimization model formulations

Primal Dual Conversion Answered
Sheng Hui Tan March 09, 2021 05:12

0 votes 2 comments
Collecting decision variables together Answered
Guy Scher March 09, 2021 04:31 Edited

0 votes 5 comments
write the relation between two deision variables Ongoing
Ray TAN March 03, 2021 10:02

0 votes 2 comments
IndexError: too many indices for array Ongoing
Sab February 28, 2021 01:00 Edited

1 vote 2 comments
Find the coefficient of a variable in a complex (very large) objective function Answered
Chris Domnisoru February 27, 2021 16:51

0 votes 3 comments
Help with converting variables from divisor Answered
Wei Tang February 26, 2021 00:10

0 votes 3 comments
why integer decision variables work much better than binaries? Answered
Francisco Garzón February 25, 2021 19:24

0 votes 3 comments
Two Piecewise linear approximation methods has huge performance difference Answered
Yize Meng February 25, 2021 06:56 Edited

0 votes 4 comments
keyerror Answered
chaung yun chi February 25, 2021 04:10

0 votes 4 comments
How can I make my constraint choose the max value? Answered
Arif Ahmed February 24, 2021 11:12

0 votes 6 comments
Workforce scheduling / minimising the number of staff. Answered
Ahmet CÜREBAL February 23, 2021 19:17 Edited

0 votes 3 comments
Precedens constraint wrong Answered
Thomas Magnus Lloyd February 22, 2021 11:25

0 votes 3 comments
Optimize installation fleet for floating offshore wind Ongoing
Thomas Magnus Lloyd February 19, 2021 10:30

0 votes 2 comments
How to sum up the values of a gurobi variable Answered
Alice M. February 17, 2021 16:27 Edited

0 votes 2 comments
Multi-objective optimization Answered
Ben95 February 17, 2021 14:58

0 votes 2 comments
Breeze and GRB data types link by chi sq distribution Answered
Alejandro Mus Mejias February 18, 2021 21:57 Edited

0 votes 5 comments
Resource usage in continous time modeling Answered
Amine Athmani February 16, 2021 17:31 Edited

1 vote 7 comments
Subtour Elimination constraint Answered
Mamta Sahare February 15, 2021 07:25

0 votes 3 comments
New constraint for example Mining
yizhen Sun February 14, 2021 17:48 Edited

0 votes 1 comment
Why is Gurobi taking too much time after finding the optimal solution? Answered
Khadija HADJ SALEM February 11, 2021 12:03

0 votes 6 comments
Skill Matrix Constraint
Niklas Vogel February 10, 2021 09:21

1 vote 1 comment
Scaling jeopardizes Simplex convergence Answered
Manuel Bröchin February 08, 2021 14:43

0 votes 2 comments
Error when i run modelling (m.addconstr) Answered
Ehab Issa February 04, 2021 07:32

0 votes 8 comments
Incorrect Result for single variable problem Answered
Varun Deshpande February 03, 2021 07:02

1 vote 3 comments
Model ignores indicator contraints Answered
Peter Marcel Jürgens February 02, 2021 11:21 Edited

1 vote 6 comments
How to find is any truck share same edge in same time? Answered
John Raphy Karippery January 29, 2021 13:17

0 votes 2 comments
There may be a bug for "addGenConstrLog" Answered
冠冠李 January 29, 2021 13:09

0 votes 4 comments
Fast processing of forced values from sorted list Answered
Thijs Havinga January 27, 2021 13:00

0 votes 3 comments
How to model the problem of cutting a polyhedron into parts Answered
Jiangfei DUAN January 26, 2021 09:23 Edited

0 votes 3 comments
Invalid argument to QuadExpr multiplication Answered
Nicolo' Lucchesi January 25, 2021 21:03

0 votes 4 comments

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