Modeling – Gurobi Help Center

Mathematical questions around optimization model formulations

How to find optimal range of decision variables? Answered
Ahmed Taha January 31, 2023 11:48

0 votes 6 comments
Is there a way to fix non-basic variables (mainly non-basic slack variables)? Answered
Sadaki January 30, 2023 02:35

0 votes 1 comment
How to conduct comprehensive sensitivity analysis? Answered
Tanmoy Das January 29, 2023 02:55 Edited

0 votes 1 comment
How to use multiple MIP starts with only some variables? Answered
Sun Ju Lee January 26, 2023 23:25

0 votes 2 comments
writing capacity constraint equation in gurobipy Answered
Ashrafur Rahman January 24, 2023 18:57 Edited

0 votes 1 comment
Modeling problem about using variable value for indexing and conditional summation Answered
Charitha Buddhika Heendeniya January 24, 2023 16:05

0 votes 1 comment
Implementing minimum downtime for a three-state process Answered
Joel Jose January 24, 2023 14:30

0 votes 2 comments
Adding subtour elimination lazy constraints with callbacks for multiple vehicles & multiple days. Awaiting user input
Daniel Saßmannshausen January 23, 2023 18:35 Edited

1 vote 2 comments
Reduce memory usage of gurobipy Model Answered
Christian Perau January 23, 2023 10:14

0 votes 4 comments
Making MIP converge faster Answered
Krypt January 23, 2023 06:08

1 vote 4 comments
unbdray Answered
Zahra Hoobakht January 21, 2023 22:35

0 votes 1 comment
Re-optimization with a partial solution and new constraints Answered
Charitha Buddhika Heendeniya January 20, 2023 15:17

0 votes 2 comments
Affect binary value only when continuous variable is negative Answered
Natalie Pueyo January 20, 2023 00:27

0 votes 2 comments
Updating Lists Under Conditional Statements Answered
Mert Eroglu January 18, 2023 13:55

0 votes 1 comment
gurobipy.GurobiError: Range constraint requires a list [lb,ub] Answered
Marco De Liso January 17, 2023 10:54

0 votes 1 comment
Question related to "Electrical Power Generation 2" Answered
Haider Pasha January 15, 2023 16:14

0 votes 5 comments
Is there a more efficient way to implement the introduced model in GurobiPy? Awaiting user input
Justine Broihan January 13, 2023 11:36 Edited

0 votes 1 comment
General tips for using Lazy constraints Answered
Charitha Buddhika Heendeniya January 12, 2023 13:24

0 votes 2 comments
How to express two LinExpr in equivalence in one constraint Answered
Qu Shiyuan January 10, 2023 15:02

0 votes 1 comment
Unable to model constraint Answered
Sander Mertens January 09, 2023 10:11 Edited

0 votes 6 comments
Quadratic optimization too slow Answered
Mohamad Abouras December 30, 2022 05:41 Edited

1 vote 5 comments
How to use computeIIS to find the constraint or the bound that is the source of the infeasibility? Answered
Hussein Sharadga December 28, 2022 15:55

0 votes 1 comment
conditionally apply constraints in optimization problems Answered
Alvaro Torres December 27, 2022 13:27

0 votes 5 comments
Please help resolve this issue Answered
Aakash Deep December 23, 2022 09:38

0 votes 1 comment
fatal_limits_exceeded(self, nb_vars, nb_constraints) | DOcplexException Answered
Tino Zepeck December 22, 2022 08:36

0 votes 2 comments
Dependent variables Answered
Sander Mertens December 21, 2022 11:43

0 votes 2 comments
Unbdray does not give me correct answer Ongoing
Zahra Hoobakht December 21, 2022 01:44

0 votes 2 comments
No consecutive Day/Night shifts Answered
James Absolom December 20, 2022 21:24

1 vote 2 comments
CLSP with rework option and minimum lot size constraint modeling Awaiting user input
K Slav December 18, 2022 16:08

0 votes 1 comment
Sending multiple small optimization problems at once to gurobipy to avoid communication overhead Answered
Madhushini Narayana Prasad December 15, 2022 16:32

0 votes 1 comment

Didn't find what you were looking for?