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MODEL:
SETS:
E/1..4/;
F/1..4/;
link(E,F):c,x,p;
ENDSETS
DATA:
p=5 1 0 2
4 3 5 4
4 2 1 2
2 5 6 6;
c=41 0 0 4
7 3 1 9
2 4 4 2
8 5 1 8 ;
ENDDATA
Max=@sum(link(i,j):p(i,j)*x(i,j))/@sum(link(i,j):c(i,j)*x(i,j));
@for(E(i):@sum(F(j):x(i,j))=1);
@for(F(i):@sum(E(j):x(i,j))=1);
@for(link(i,j):@bin(x));
END
Global optimal solution found.
Objective value: 4.00000000000
Objective bound: 4.00000000000
Infeasibilities: 0.00000000000
Extended solver steps: 9
Total solver iterations: 88
Elapsed runtime seconds: 0.33
Variable Value Reduced Cost
X( 1, 2) 1.00000000000 -0.250000000000
X( 2, 3) 1.00000000000 -2.50000000000
X( 3, 1) 1.00000000000 -0.500000000000
X( 4, 3) 1.00000000000 -4.25000000000
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