Hello
I am getting optimal feasible solution as 31250 with decision variable values 0, 7.5 and 20.
proc optmodel; var x{1..3}>=0; max z=900*x[1]+1500*x[2]+1000*x[3]; con c1: 50000*x[1]+12000*x[2]+8000*x[3]<=250000; con c2: 1*x[1]+0*x[2]+0*x[3]<=4; con c3: 0*x[1]+1*x[2]+0*x[3]<=15; con c4: 0*x[1]+0*x[2]+1*x[3]<=20; solve with milp/presolver=none; print x[1] x[2] x[3]; quit;
x1,x3>=0 or integer
x2>=0.
But in excel it is given as 42,250 optimal feasible solution with decision variable values 4, 4.16,0. Please help if I am going wrong.
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