Questions tagged [jump]
Questions that use or are about JuMP and other Julia packages.
7
questions
12
votes
3
answers
293
views
Connection between solver and Julia's JuMP
I am looking for ways or tips to connect a solver with the JuMP package. I started reading the manual of Math Opt Interface — I don't know the right terms, but I'll call it the backend of JuMP. Also, ...
- 326
6
votes
1
answer
1k
views
Quadratic constraints in JuMP
I am a bit new to programming and am currently working with solving optimization problems in JuMP in Julia.
I got a tip from the JuMP page that I should also use ...
- 63
3
votes
1
answer
127
views
Jump, Julia : How to add constraints with different indexes a.c.a $x_i \leq z_j, \; \forall i, j$
I am having a constraint in the form :
$$ x_i \leq z_j, \quad \forall i, j \in \{1, 2, .., n\}$$
I know that if the right part of the equation was a constant so something like $x_i \leq c[i]$ I could ...
- 235
3
votes
1
answer
120
views
How to remove a callback that was previously registered in Julia?
I'm coding in Julia, how can I do the same as "Remove(Cplex.Callback)" function does in C++ ?
- 173
3
votes
1
answer
99
views
Reoptimization with GLPK in Julia/JuMP
I've been looking everywhere, and I can't seem to find any information on whether GLPK can do successive optimizations on the same model, on which we add a constraint at each iteration.
More ...
- 33
2
votes
1
answer
43
views
How to get the fractional solution of a node in a MIP model using JuMP package?
I'm coding in Julia and use the JuMP package. My IP solver stops by a fixed node limitation. I noticed that I can only get the feasible primal and dual solution if has any, however I would like to get ...
- 173
1
vote
0
answers
65
views
Does Gurobi solve QCQMIPs with Quadratic terms faster with then Bi-Linear terms in general?
Based on the color distance function defined here i try to find $n$ RGB colors with large inter set color distances and good color distance to white.
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