I'm always opening a new toic in last days, so I apologize, but unfortunately I need to solve this GAMS problem for my doctoral thesis. I am just getting familiar with GAMS.
I have a nonlinear problem and this problem also includes binary variables. The solvent used is DICOPT. I think DICOPT consists of two basic phases, NLP and MIP. A solution cannot be produced at the MIP stage. Here's the warning GAMS gave me:
DICOPT: Serious problems in MIP master problem
And none of my binary variables are getting binary values. How can I fix this problem?
I'm very stuck, if you can help me I would be very grateful.
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