One clarification.
In the example I've given the y variables are just linear combinations
of the x variables.
This was merely a simplification, and in general is *not* the case
within my model.
On Jun 19, 7:35 am, Jacob JKW <
jacob...@...> wrote:
> So this this is a simplified version of what I have:
>
> ###########START###########
> model;
> reset;
>
> set OUTCOMES;
> set SOME_SET;
>
> data;
> set OUTCOMES := foo bar;
> set SOME_SET := wilma fred;
>
> model;
>
> var x (SOME_SET}
> var y {OUTCOMES};
>
> subj to Some_Constraint_1:
> y["foo"] = 21*x["wilma"] - 11*x["fred"];
>
> subj to Some_Constraint_2:
> y["bar"] = -9*x["wilma"] - 28 *x["fred"];
>
> /* more stuff follows */
>
> ###########END###########
>
> Now what I'd like to do is get rid of the two constraints and just add
> them to the declaration of y, but I just can't figure out the proper
> format for doing so.
>
> Obviously if y weren't subscripted I could just write something like
>
> var y = 21*x["wilma"] - 11*x["fred"]
>
> but because of the subscripts I just don't know how to handle it.
>
> As always, my apologies if I've missed this in either the FAQ or the
> AMPL book.
>
> Thanks in advance,
> J.
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