I'm very new to multi-objective optimization, so my questions could be pretty silly..
Until now I used CPLEX to solve single-objective optimization problems only, but I now I need to solve a two-objective optimization problem..
I've just discovered that CPLEX 12.6.9 is able (unlike its previous versions) to solve even multi-objective problems.
So, I'm wondering about two questions:
- Which algorithm does CPLEX use to solve two-objective problems?
- Which are the main differences (efficiency, computational time, etc) between, solving a two-objective optimization problem:
- by passing it directly as a two-objective problem to CPLEX, or
- by solving it, in CPLEX, by adopting the "Augmented Epsilon-Constraint Method"?
I'm wondering if these two methods may generate different solutions..
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