nag_opt_handle_add_vars (e04tac) Example Program Results Solve the first LP E04MT, Interior point method for LP problems Status: converged, an optimal solution found Final primal objective value 8.500000E+02 Final dual objective value 8.500000E+02 Primal variables: idx Lower bound Value Upper bound 1 0.00000E+00 2.00000E+02 inf 2 0.00000E+00 1.00000E+02 1.00000E+02 The new variable has been added, solve the handle again E04MT, Interior point method for LP problems Status: converged, an optimal solution found Final primal objective value 9.000000E+02 Final dual objective value 9.000000E+02 Primal variables: idx Lower bound Value Upper bound 1 0.00000E+00 5.00000E+01 inf 2 0.00000E+00 1.00000E+02 1.00000E+02 3 0.00000E+00 5.00000E+01 5.00000E+01 The new constraint has been added, solve the handle again E04MT, Interior point method for LP problems Status: converged, an optimal solution found Final primal objective value 8.750000E+02 Final dual objective value 8.750000E+02 Primal variables: idx Lower bound Value Upper bound 1 0.00000E+00 1.50000E+02 inf 2 0.00000E+00 5.00000E+01 1.00000E+02 3 0.00000E+00 5.00000E+01 5.00000E+01