On working with GAMS software there shows some errors like dimension different ,illegal data element in the input part of code SETS i /15/ j /110/ k /13/ l /13/;
PARAMETERS d(i,j) Distance between demand point i and installation j /1 5 8 7 10 6 9 7 4 8 2 9 5 6 8 7 10 8 5 6 3 7 9 6 10 8 5 9 7 10 4 6 8 5 10 6 9 7 5 6 5 8 7 9 5 6 10 7 8 5/;
- Redefined table c_ij PARAMETER c_ij(i,j) Cost of delivering from demand point i to installation j /1.1 19 27 32 41 39 44 47 25 31 22 2.1 38 25 22 31 40 47 22 30 36 20 3.1 41 22 23 21 38 37 23 32 20 36 4.1 22 41 45 47 44 20 33 46 23 40 5.1 20 31 37 47 44 26 24 41 43 34/;
PARAMETER s_k(k) Maximum number of demand points in cluster k /1 150 2 200 3 100/;
PARAMETER M Arbitrary large number /1000000/;
VARIABLES x_ij(i,j) binary y_kj(k,j) binary t_ij(i,j) binary;
EQUATIONS Demand_Point_Constraint(i) Installation_Constraint(i,j) Cluster_Size_Constraint(k) Assignment_Constraint(j) Distance_Constraint(i,j,k,l) Delivery_Time_Constraint(i) Delivery_Cost_Constraint(i,j) Non_Negativity_Constraint;
Demand_Point_Constraint(i).. sum(j, x_ij(i,j)) =e= 1;
Installation_Constraint(i,j).. x_ij(i,j) =l= 1;
Cluster_Size_Constraint(k).. sum(j, y_kj(k,j)) =l= 3;
Assignment_Constraint(j).. sum(k, y_kj(k,j)) =e= 1;
Distance_Constraint(i,j,k,l).. d_ij(i,j) =g= 5 * (1 - y_kj(k,j) - y_kj(l,j));
Delivery_Time_Constraint(i).. sum(j, t_ij(i,j) * x_ij(i,j)) =l= 30;
Delivery_Cost_Constraint(i,j).. c_ij(i,j) =e= 45 * d_ij(i,j) + 10 * (d_ij(i,j) - 1);
Non_Negativity_Constraint.. x_ij(i,j) =g= 0; y_kj(k,j) =g= 0;
MODEL Facility_Location /all/;
Facility_Location.obj = sum((i,j), c_ij(i,j) + 45 * d_ij(i,j) * t_ij(i,j) + 10 * (d_ij(i,j) - 1) * x_ij(i,j)) + sum((k,j), s_k(k) * y_kj(k,j)) + M * sum((i,j), t_ij(i,j));
SOLVE Facility_Location USING MIP MINIMIZING Facility_Location.obj;
DISPLAY x_ij, y_kj;
I want the minimised objective function which indicates whether store can be alloted on specified distance located stores by running the model
