I have a Binary Variable X(C,V,T).
Suppose for t and v , X(c,v,t) is 1 for a c1 in C.
I have another element parameter/variable (Range in C) F(V,T).
now using this variable X how can i find
F(v,t) = c1
Best answer by mohansx
define F(v, t) as
first(c|X(c, v, t) = 1)
Read about the first function here: https://documentation.aimms.com/functionreference/elementary-computational-operations/set-related-functions/first.html