Modeling – Gurobi Help Center

Mathematical questions around optimization model formulations

Performing DFS in a graph through constraints
Arun V June 07, 2020 07:36

0 votes 5 comments
Non-convex QCQP: Gurobi 9.0.2 doesn't accept MIP start in presence of lazy callback
Ryan Cory-Wright June 22, 2020 00:50

1 vote 2 comments
How to formulate the nested summation constraint with couple of linear constraints?
Umair Sindhu July 20, 2020 19:32

0 votes 2 comments
setting custom matrix constraints
Alper Canberk July 27, 2020 22:28 Edited

0 votes 2 comments
Difficulty in modeling constraint for generating a path
Shubham Ghatge August 19, 2020 11:14

0 votes 1 comment
Get constraints in matrix format from gurobipy
fadwa jdia November 01, 2020 11:51

0 votes 1 comment
How can I solve a large-size MILP problem?
Xianbang Chen November 06, 2020 13:29

0 votes 1 comment
MIQP for portfolio selection
Andrea Muzi November 11, 2020 10:12

0 votes 2 comments
quicksum-list
Adem akgül November 15, 2020 21:23

0 votes 5 comments
minimizing edges problem in a graph
Joshua Friedman December 02, 2020 22:02

0 votes 1 comment
Long runtime for ILP involving permutation matrix
Yui Ishihara December 31, 2020 01:35 Edited

0 votes 2 comments
L1 Norm Constraint in Maximum-Sharpe-Ratio Portfolio
Dominik Meyer January 04, 2021 12:51 Edited

0 votes 1 comment
Skill Matrix Constraint
Niklas Vogel February 10, 2021 09:21

1 vote 1 comment
New constraint for example Mining
yizhen Sun February 14, 2021 17:48 Edited

0 votes 1 comment
Job Shop Scheduling Problem
Hanna Lindner March 09, 2021 09:36

-1 votes 1 comment
The form of data
chaung yun chi March 18, 2021 09:53

0 votes 3 comments
VRP with optional nodes
Viktor Ihler March 23, 2021 18:21

0 votes 1 comment
Solving thousands of QP parallelly on a machine
Bo Yang March 30, 2021 19:37

0 votes 2 comments
Is it possible to retrieve duals from the root node (with added cuts by the solver) in a MILP problem?
Seyedkianoush Mousavichashmi April 01, 2021 14:58

0 votes 1 comment
Subtour Elimination constraint with the RHS not equal to |S|-1
Lilly Yang April 06, 2021 01:37

0 votes 1 comment
How do I get each row maximun value(or second maximun) after a Mvar object matrix product a constant matrix
Yanan Li April 13, 2021 03:59 Edited

0 votes 1 comment
Term based modeling or Matrix based
Elham Heydarigharaei April 30, 2021 15:09

0 votes 1 comment
Two-type VRP
Taner Cokyasar May 10, 2021 09:49

0 votes 1 comment
Correctly formulate a constraint(Distance constraint on TSP)
Georgios Tsakiridis May 24, 2021 15:44 Edited

0 votes 1 comment
The most tractable implementation of a PWL-like function
Martin Gurtner July 07, 2021 14:38 Edited

0 votes 1 comment
Customer Demand
Nelly V August 15, 2021 12:09

0 votes 1 comment
Setting constraints to maintain temporal flow of materials
Kazi Ullah August 17, 2021 21:16 Edited

0 votes 1 comment
VRP model and code
Du Hongyi November 29, 2024 01:23

0 votes 0 comments
How do I generate decision variables as needed?
Saeed Abdolmaleki November 19, 2024 20:14

0 votes 0 comments
Optimisation with lifespan of products after moving
Mai Boi Quach September 09, 2024 22:31

0 votes 0 comments

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