7 questions
3
votes
1
answer
71
views
Using SCIP with ojAlgo for QPQC problems via JSCIPOpt
I'm exploring the use of ojAlgo in a project that involves solving QPQC problems (Quadratically Constrained Quadratic Programming).
I've looked into the ojAlgo-extensions ecosystem and the various ...
- 43
1
vote
0
answers
61
views
issues with template <> during scip installation
I am trying to install scipoptsuite v6.0.1 (https://scipopt.org/download.php?fname=scipoptsuite-6.0.1.tgz) on my Mac M1. Following the instruction in the website:
Link to the changesoplex.cpp file: ...
0
votes
1
answer
184
views
SCIP constraint not satisfied
I am new to using SCIP, and I can't figure out why SCIP is not satisfying the constraints of my ILP. I have specified my ILP in the .lp format as described by IBM.
For example, consider the following ...
- 1
0
votes
0
answers
327
views
Constraints with Binary Variable Resulting in Pyscipopt Breaking
I'm trying to add a series of constraints which make use of an indicator function, but it seems to be breaking the solver.
This is the original formulation of the constraint:
Which has to be broken ...
- 25
0
votes
1
answer
360
views
How to use SCIPoptSuite with UG(FiberSCIP)?
I an using SCIPoptSuite in my code to solve a MINLP problem, and I would like to test if parallelization inproves the performance or not.
However the UG Framework is not built in the SCIPoptSuite ...
1
vote
1
answer
71
views
How to supply an Heuristic Objective solution to SCIP
I feel like I knew the answer for this question before but I am unable to recall it.
Is there a way to supply the SCIP program with a heuristic objective solution value?
- 3,603
0
votes
1
answer
240
views
Is there a way to set the time limit for branch and bound in SCIP?
I was wondering if there is a way to set the upper bound of the time taken to solve a MILP problem but only on the branch and bound time. I was able to find a parameter for the total running time but ...
- 3,603