2
votes
Accepted
Info callback in CPLEX OPL
I am not aware of if informational callbacks can be invoked directly via OPl-CPLEX the same as the low-level programming language. For more details, you can check ...
1
vote
Ways to improve lower bounds while solving MIPs
There are serveral strategies.
I recomend Lagrangian and Surrogate relaxation.
Look for James Davis video "2.6 lagrangian relaxation". I guess it would help.
Only top scored, non community-wiki answers of a minimum length are eligible
Related Tags
cplex × 248mixed-integer-programming × 74
optimization × 37
python × 33
solver × 33
linear-programming × 32
gurobi × 26
docplex × 26
modeling × 22
cplex-python-api × 18
c++ × 15
pyomo × 14
callback × 14
integer-programming × 13
benders-decomposition × 12
opl × 12
constraint-programming × 9
gams × 9
constraint × 8
combinatorial-optimization × 8
quadratic-programming × 8
java × 8
scheduling × 7
linearization × 6
branch-and-bound × 6