when using JuMP@0.18 we use model.linconstr.lb to get the lower bound but i don’t know how it can happen using JuMP@0.21 i tried JuMP.LowerBoundRef(x) but instead of getting the values of the lower bounds i got nothing
when using JuMP@0.18 we use model.linconstr.lb to get the lower bound but i don’t know how it can happen using JuMP@0.21 i tried JuMP.LowerBoundRef(x) but instead of getting the values of the lower bounds i got nothing