> How I can write this constraint in MathProg/AMPL?,
> (Mathematical form)
> sum(j=1 to t) sum(i=1 to I) b_ik * x_ij <= sum(j=1 to t) s_kj,
> t = 1,2,...,J; k = 1,2,...,K).
s.t. foo{t in 1..J, k in 1..K}:
sum{j in 1..t, i in 1..I} b[i,k] * x[i,j] <= sum{j in 1..t} s[k,j];
> The problem is to change the index for the next constraint for to obtain
> the "joint constraints". I probe with "FOR", but this is not permitted
> for the constraint.
What is "joint constraints" ?
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