Model hs35 Variables x[1] = 0.5, >=0 x[2] = 0.5, >=0 x[3] = 0.5, >=0 obj End Variables Equations x[1] + x[2] + 2*x[3] <= 3 ! best known objective = 1/9 obj = 9 - 8*x[1] - 6*x[2] - 4*x[3] + 2*x[1]^2 + 2*x[2]^2 + x[3]^2 + 2*x[1]*x[2] + 2*x[1]*x[3] End Equations End Model