How to build a constraint with summation?

[anon37204545]

@klaff

You appear to be missing a final parenthesis on the last line. May I ask what editor you use? Most have a feature to indicate matching pairs of parentheses, often as little bars that show under both parentheses if you place the cursor on one of them.

Adding another ) produces this error:

ERROR: LoadError: In `@constraint(Model1, sum(Q[a, w] * x[a, t] - sum((s[a, t] .<= (RHE[w] + OHE[w]) * NE[w] - WH[w, t] for a = A))))`: Constraints must be in one of the following forms:
       expr1 <= expr2
       expr1 >= expr2
       expr1 == expr2
       lb <= expr <= ub

I guess what he needs is something like this, although it also produces an out-of-index error.

@constraint(Model1, sum(Q[a,w]*x[a,t]) - sum(s[a,t]) <= (RHE[w] + OHE[w]) * NE[w] - WH[w,t])

@RaquelSantos do you want to put a constraint like the one I put above, just for every a in A?