Model hs30 Variables x[1] = 1 x[2] = 1 x[3] = 1 obj End Variables Equations x[1]^2 + x[2]^2 <= 1 1 <= x[1] <= 10 -10 <= x[2] <= 10 -10 <= x[3] <= 10 ! best known objective = 1 obj = x[1]^2 + x[2]^2 + x[3]^2 End Equations End Model