sets:
Dmus/1..6/: L;
Inputs/1..2/;
Outputs/1..2/;
DxI(Dmus,Inputs): X;
DxO(Dmus,Outputs): Y;
endsets

data:
X =
 8.939 64.3
 8.625 99.0
10.813 99.6
10.638 96.0
 6.240 96.2
 4.719 79.9;
Y =
25.2 223
28.2 287
29.4 317
26.4 291
27.2 295
25.5 222;
enddata

k=1;

min = Theta;

@for(Inputs(i): 
   X(k,i)*Theta >= @sum(Dmus(j): X(j,i)*L(j) );
);

@for(Outputs(r):
   Y(k,r) <= @sum(Dmus(j): Y(j,r)*L(j) );
);