Model hs23 Variables x[1] = 3, <=50, >=-50 x[2] = 1, <=50, >=-50 obj End Variables Equations x[1] + x[2] >= 1 x[1]^2 + x[2]^2 >= 1 9*x[1]^2 + x[2]^2 >= 9 x[1]^2 - x[2] >= 0 x[2]^2 - x[1] >= 0 ! best known objective = 2 obj = x[1]^2 + x[2]^2 End Equations End Model