JuMP mutually exclusive indices iterated over the same set

[odow]

Hi there!

Use ; m != n]:

model = Model()
@variable(model, x[1:4])
@constraint(model, c[a=1:4, b=1:4; a != b], x[a] + x[b] == 1)

Docs: https://jump.dev/JuMP.jl/stable/constraints/#SparseAxisArrays