All Questions
4 questions
0
votes
2
answers
1k
views
Cplex NullPointerException on big Arrays
I use cplex Java API.
Following code is used:
//init cplex
IloCplex cplex = new IloCplex();
cplex.setParam(IloCplex.IntParam.Threads, 1);
//is commodity k,l routed over i and j
//x ijkl
IloIntVar[] ...
- 2,614
2
votes
3
answers
2k
views
feasiblity problem in CPLEX
Is there an api to solve the feasibility problem (whether a feasible point exists) for a set of convex restraints in CPLEX.
- 835
65
votes
13
answers
76k
views
Open source Mixed-Integer Linear Programming (MILP) optimization solver benchmark [closed]
I am solving huge mixed-integer linear programming (MILP) optimization problem (more than 100k variables).
How to properly run benchmark comparing various MILP solvers on various common and famous MIP ...
- 11k
16
votes
7
answers
20k
views
mathematical optimization library for Java --- free or open source recommendations? [closed]
Does anyone know of such a library that performs mathematical optimization (linear programming, convex optimization, or more general types of problems)? I'm looking for something like MATLAB, but with ...
- 29.6k