hello world, how I can write data in three dimension index in mathprog, for example
set post; /* 1..T */
set posy; /* 1..m */
set posx; /* 1..n */
param distance {t in post, i in posy, j in posx};
var y {t in post, i in posy, j in posx} binary >=0;
maximize z: sum{t in post, i in posi, j in posx} distance[t,i,j] * y[t,i,j];
data;
param distance: ???
thanks!!
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