model:
sets:
DMU/1..5/:d,p,k;!decision making unit;
II/1..3/:l;!input index;
OI/1..7/:v;!output index;
Iv(II,DMU):x;!input variable;
OV(OI,DMU):y;!output variable;
endsets
data:
p=?;
x=4 2 4 3 3
1 4 4 2 5
3 5 3 3 1;
y=2 4 5 3 4
3 3 4 2 2
5 4 4 4 1
4 4 3 3 5
2 3 2 3 3
4 4 3 3 4
5 4 4 3 4;
k= , , , , ;
enddata
min=z;
@for(DMU(j):k=@if(p(j)#eq#1,j,0));
@for(II(i):
@sum(DMU(j)|j#ne#k:d(j)*x(i,j))+l(i)=
@sum(DMU(j):p(j)*x(i,j))*Z);
@for(OI(i):
@sum(DMU(j)|j#ne#k:d(j)*y(i,j))-v(i)=
@sum(DMU(j):p(j)*y(i,j)));
end


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