Modeling

Infeasibility problem

• hamza addi
• December 02, 2021 04:47

0 votes 0 comments

MIP Start does not produce an incumbent solution while I can prove that the MIP Start is feasible

• Max Aalberse
• December 01, 2021 13:21
• Edited

0 votes 0 comments

how can i write a summation if I have maximize for loop from 1-50 or what should I do

• Mariam Hassanein
• November 30, 2021 13:40

0 votes 0 comments

Repeating identical solutions in the solution pool because of three possible values (1, 0, -1) for binary variables

• x Zhou
• November 30, 2021 05:47
• Edited

0 votes 0 comments

Discrete Coefficient values in objective function as a function of continuous decision variables Answered

• Jose peeterson
• November 29, 2021 10:05

0 votes 1 comment

model outputs wrong value for some variables Answered

• Danning Xie
• November 28, 2021 02:36
• Edited

0 votes 1 comment

Non-linear constraint and objective Answered

• Irene Alisjahbana
• November 23, 2021 17:47

0 votes 1 comment

Solvable Simultaneous Equations Returns "Infeasible model" Answered

• Yen-Yu Chen
• November 21, 2021 23:18

0 votes 3 comments

max general constraint violation error

• Jose peeterson
• November 18, 2021 02:46

0 votes 0 comments

Start MIP Answered

• Murilo Machado
• November 17, 2021 22:02
• Edited

0 votes 1 comment

Minimise an Excel Formula Answered

• Sunu Thomas
• November 17, 2021 14:01
• Edited

0 votes 1 comment

How to minimize time time violation in vehicle platooning problem?

• John Raphy Karippery
• November 16, 2021 21:21
• Edited

0 votes 0 comments

Loop in Gurobi Answered

• Fangke Wan
• November 16, 2021 15:49

0 votes 1 comment

Technician routing and scheduling problem Answered

• Ayesha Maroof
• November 15, 2021 21:37

0 votes 3 comments

About how to create variable x_ij Answered

• Fangke Wan
• November 14, 2021 17:20

0 votes 1 comment

Network flow and Truck capacity Answered

• Timothy McCormack
• November 12, 2021 12:47

0 votes 1 comment

avoid infinity from logarithmic function in the objective Answered

• Jiazhen Zhou
• November 10, 2021 22:45

0 votes 4 comments

How to constrain MILP to allow only one agent in an area at a time Awaiting user input

• Sydney Dolan
• November 01, 2021 16:32

0 votes 1 comment

Solving Nonlinear Integer model with Gurobi Ongoing

• John Raphy Karippery
• November 01, 2021 12:50
• Edited

0 votes 6 comments

nonlinear optimization problem Answered

• Naftali Cohen
• October 29, 2021 14:10

0 votes 2 comments

Facility location Answered

• Naftali Cohen
• October 29, 2021 14:05

0 votes 2 comments

Optimization Performance - Capacitated Vehicle Routing Problem Answered

• Michael Renner
• October 28, 2021 13:23
• Edited

0 votes 8 comments

Modeling sequence dependent setup times via a MIP for flow shop scheduling Awaiting user input

• Rutger Mauritz
• October 25, 2021 06:36
• Edited

0 votes 1 comment

MIP gap Answered

• Alexia Payan
• October 25, 2021 02:57

0 votes 1 comment

Explicitly linearizing product of binary variables worsens performance Answered

• Rutger Mauritz
• October 21, 2021 12:12
• Edited

0 votes 2 comments

How to not stop my code if model is infeasible Awaiting user input

• Ashim Khanal
• October 21, 2021 01:56

0 votes 1 comment

can write() function export the lazyconstraints? Answered

• yansong bai
• October 20, 2021 10:45
• Edited

0 votes 4 comments

MIP with bilinear constraints not converging for large datasets Answered

• Elizabeth Griffin
• October 19, 2021 16:11

0 votes 1 comment

lb and ub of variables Answered

• yansong bai
• October 19, 2021 12:42

0 votes 11 comments

Gurobi says the model is infeasible, yet I can come up with a solution by hand. Python implementation Answered

• Vadim Avkhimenia
• October 17, 2021 02:56

0 votes 14 comments