Algorithms – Gurobi Support Portal

How optimization algorithms work & improving their performance

Increasing NumericFocus makes problem infeasible Answered
- Haleh Sadat Ale Ahmad
- April 14, 2021 11:58
0 votes 1 comment
Callback for customized branching Answered
- Mauro Dell'Amico
- April 08, 2021 17:06
0 votes 3 comments
Is non-integer part of a MIP solution an extreme point? Answered
- Velibor Misic
- April 07, 2021 03:28
0 votes 1 comment
Is it possible to retrieve the best (lower) bound of a MILP problem that did not reach the optimal solution? Answered
- Efrain Ruiz
- March 22, 2021 16:55
0 votes 3 comments
Linearizing non-linear constraint Answered
- Ana Guasque Ortega
- March 22, 2021 12:59
- Edited
0 votes 3 comments
Stationary point for non-convex QCQP? Answered
- Jonathan Helgert
- March 17, 2021 14:52
0 votes 1 comment
MILP model feasibility check speed Answered
- Akram Kh
- March 13, 2021 07:37
0 votes 1 comment
Gurobi is taking too much time in converging the non-linear constraints in MIQCP problem Answered
- Onam Sinha
- March 15, 2021 03:38
- Edited
0 votes 4 comments
Gurobi 9.1.1 only uses a single thread in MIP mode Answered
- Niclas Mattsson
- March 12, 2021 16:34
0 votes 1 comment
MIQP is solved faster but unstable! Any suggestions for this? Answered
- Xianbang Chen
- March 12, 2021 04:24
0 votes 2 comments
Barrier algorithm relatively slow for convex QCQP Answered
- Jonathan Helgert
- March 10, 2021 15:19
0 votes 1 comment
Any configurable parameters for the nonconvex quadratic solver? Answered
- Niclas Mattsson
- March 05, 2021 19:23
0 votes 2 comments
the time Answered
- hamzih alsmadi
- March 05, 2021 00:46
- Edited
1 vote 1 comment
Is there any method to reduce cpu time in callback function ? Answered
- canqi yao
- March 03, 2021 08:03
0 votes 3 comments
What's the meaning of "Learned Cut" in log Answered
- JIANSHU LI
- March 02, 2021 02:07
0 votes 2 comments
Theoretical Background on BarHomogeneous parameter Answered
- Yannic Lieder
- February 26, 2021 23:54
0 votes 1 comment
Root relaxation objective value is different from the objective value from continuous model Answered
- Miranda
- February 19, 2021 20:18
0 votes 1 comment
Why there are some numerical issues after turning off the presolve? Answered
- YEN-CHU WU
- February 18, 2021 06:52
0 votes 1 comment
Conditional Constraints if-esle on decission variable Answered
- Rahul Rahul
- February 16, 2021 19:37
0 votes 1 comment
MIP problem - Bounds improves slowly Answered
- farnaz fallahi
- February 15, 2021 21:01
0 votes 3 comments
CPU time of first time to reach optimal solution Answered
- Deng Pan
- February 14, 2021 19:13
0 votes 2 comments
Speed up solving of MILP model, bound gap is moving slowly Answered
- Hamza El Uamari
- February 09, 2021 16:44
0 votes 1 comment
Log execution of simplex Answered
- Grigoris Velegkas
- February 05, 2021 18:02
0 votes 1 comment
Linearize quadratic continuous constraints Answered
- Ana Guasque Ortega
- February 02, 2021 11:42
0 votes 1 comment
Gurobi stopping criteria
- Dominique Orban
- February 01, 2021 22:45
0 votes 7 comments
QP solver works in an unstable way. Answered
- Hongyu Zhang
- January 30, 2021 17:03
- Edited
0 votes 3 comments
Issue with warm-start after changing rows Answered
- Paula Fermin Cueto
- January 31, 2021 09:09
- Edited
0 votes 2 comments
Cutoff and optimal solution Answered
- Alexia Payan
- January 28, 2021 18:39
0 votes 3 comments
About the solution proformance of nonlinear problems via the new gurobi solver like 9.1 Answered
- ZHENGMAO LI
- January 28, 2021 07:48
0 votes 4 comments
How to determine the speed bottleneck of my Model? Answered
- Jiangfei DUAN
- January 27, 2021 13:39
- Edited
0 votes 3 comments

Didn't find what you were looking for?