Hi everybody. I need to evaluate a function over a set like this:
{ (r_1, ..., r_L) : r_1 <= n_1, ..., r_L <= n_L and sum {i in
1, ..., L} r_i = k }
where L, n1, ..., n_L and k are positive integers ('params') defined
by data. The problem is that I don't know how to write the set above
in AMPL. I looked in the book for a while, but couldn't find anything
helpful. I would be very grateful if someone could point out the page
in the book where this is explained or post the code to write this
set.
Thanks in advance,
--Guilherme Freitas
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