Model tp010 ! Source version 1 Variables x[1] = -10 x[2] = 10 obj End Variables Equations (-3)*x[1]^2 + 2*x[1]*x[2] - x[2]^2 + 1 >= 0 obj = x[1] - x[2] ! best known objective = -1 ! begin of best known solution ! x[1] = 0 ! x[2] = 1 ! end of best known solution End Equations End Model