GAMS World Forum

Hello! I have a production planning model with a rolling horizon setting. So the whole planning period is 52 weeks, but planning horizon is 8 weeks. We implement the first 4 weeks and then plan for another 8 weeks, so basically the last 4 weeks of the planning horizon 8 weeks are subject to change w...

Thank you so much!

Hello, I am quite new to GAMS and would like some advice on how I could use conditions ($) in constraints. 1. I have a constraint that is valid only upon certain condition. For example I have a constraint called ctFreez(p,t,a) with a variable q(p,t,a) where p,t,a are sets. For each review period a, ...