Model hs31 Variables x[1:3] = 1 obj End Variables Equations x[1] * x[2] >= 1 -10 <= x[1] <= 10 1 <= x[2] <= 10 -10 <= x[3] <= 1 ! best known objective = 6 obj = 9*x[1]^2 + x[2]^2 + 9*x[3]^2 End Equations End Model