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solver:gams_cplex_versus_cplex_callable_library [2007/12/16 22:08]
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|-||====== GAMS/CPLEX versus CPLEX callable library ======|
|-||Q: //I use GAMS/CPLEX link for my optimization problems. Some of my colleagues call the CPLEX callable library directly from C. Can there be a difference in solution quality, etc.? //|
|-||The GAMS/CPLEX link sets up the problem in the CPLEX and calls one of the optimization routines of the CPLEX library (e.g. CPXmipopt). Assuming your C program and the GAMS/CPLEX link setup the problem in the same way, you will get identical results. The GAMS/CPLEX link also exposes all CPLEX features that are relevant in a modeling environment. |