Constrain each entry of an Expression to take a value in a given finite set of real numbers.
FiniteSet(expre, vec, ineq_form = FALSE, constr_id = NULL)A FiniteSet constraint.
An affine Expression.
A numeric vector (or set) of allowed values.
Logical; controls MIP canonicalization strategy.
If FALSE (default), uses equality formulation (one-hot binary).
If TRUE, uses inequality formulation (sorted differences + ordering).
Optional integer constraint ID (internal use).