Suppose I have these elements in the linear program:
param n := 10;
var idx, integer >= 1 <= n;
var arr{1..n};
What would be the simplest way to express arr[idx] (for example to use
arr]idx] in some other statements)?
I know that this is possible. I first had "var memb{1..n}, binary;"
instead of "idx", so that it expressed the array index as a boolean
array instead of a single integer index, but this way it led to an
unsolvable MIP instance.
Not even sure if this is a feasible way to simplify the MIP instance.
Thank you,
Yuri
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