Search found 2 matches

by frsc
2 months ago
Forum: Modeling
Topic: Free variables
Replies: 0
Views: 959

Free variables

I am working on a problem where there is a free variable. The objective function of the problem has several terms. I need two of these, say the A term and the B term, to depend on the free variable, based on its sign. That is, when the free variable has a positive value, term A will exist and B will...
by frsc
5 months ago
Forum: Modeling
Topic: Network design with GAMS
Replies: 1
Views: 442

Network design with GAMS

Hello! I'm new to GAMS and I'm still learning the basics. I have a model to implement in which one of the sets (T) includes the indices t and t'. Am I supposed to define the set normally or is there some particularity? The model has several variables that consider both indices (t and t'). How can I ...