Closed SerenaZwww closed 7 months ago
I'm new to Julia and this package, so my question may be stupid... but I just can't figure it out...
I have a state variable with three indexes, say s_{i,j,k}. I add it by:
set1 = [1, 2, 3] set2 = [0, 1, 2] set3 = [0, 1, 2] initial_state(i, j, k) = 0 @variable( subproblem, 0 <= s[i = set1, j = set2, k = set3] <= 1, SDDP.State, initial_value = initial_state(i, j, k) )
I want to add the constraint: $$ \sum{j} \sum{k} s_{i,j,k}=1, \forall i $$ And I tried to achieve it by:
@constraints( subproblem, begin [i in set1], sum(s[i, :, :]) == 1 end )
But there is something wrong...
MethodError: no method matching +(::SDDP.State{VariableRef}, ::SDDP.State{VariableRef})
Does anyone know why...
Hi @SerenaZwww, I guess you figured this out, but you need
sum(s[i, j, k].out for j in set2, k in set3) == 1
@odow Exactly, thanks!
I'm new to Julia and this package, so my question may be stupid... but I just can't figure it out...
I have a state variable with three indexes, say s_{i,j,k}. I add it by:
I want to add the constraint: $$ \sum{j} \sum{k} s_{i,j,k}=1, \forall i $$ And I tried to achieve it by:
But there is something wrong...
Does anyone know why...