Model hs41 Variables x[1:4] = 2, >= 0 obj End Variables Equations x[1] + 2*x[2] + 2*x[3] - x[4] = 0 x[1] <= 1 x[2] <= 1 x[3] <= 1 x[4] <= 2 ! best known objective = 52/27 obj = 2-x[1]*x[2]*x[3] End Equations End Model