nag_ode_ivp_bdf_gen (d02ejc) Example Program Results Case 1: calculating Jacobian internally intermediate output, root-finding Calculation with tol = 1.0e-03 X Y(1) Y(2) Y(3) 0.00 1.00000 0.00000 0.00000 2.00 0.94163 0.00003 0.05834 4.00 0.90551 0.00002 0.09446 Root of Y(1)-0.9 at 4.377 Solution is 0.90000 0.00002 0.09998 Calculation with tol = 1.0e-04 X Y(1) Y(2) Y(3) 0.00 1.00000 0.00000 0.00000 2.00 0.94161 0.00003 0.05836 4.00 0.90551 0.00002 0.09446 Root of Y(1)-0.9 at 4.377 Solution is 0.90000 0.00002 0.09998 Case 2: calculating Jacobian by pederv intermediate output, root-finding Calculation with tol = 1.0e-03 X Y(1) Y(2) Y(3) 0.00 1.00000 0.00000 0.00000 2.00 0.94163 0.00003 0.05834 4.00 0.90551 0.00002 0.09446 Root of Y(1)-0.9 at 4.377 Solution is 0.90000 0.00002 0.09998 Calculation with tol = 1.0e-04 X Y(1) Y(2) Y(3) 0.00 1.00000 0.00000 0.00000 2.00 0.94161 0.00003 0.05836 4.00 0.90551 0.00002 0.09446 Root of Y(1)-0.9 at 4.377 Solution is 0.90000 0.00002 0.09998 Case 3: calculating Jacobian internally no intermediate output, root-finding Calculation with tol = 1.0e-03 Root of Y(1)-0.9 at 4.377 Solution is 0.90000 0.00002 0.09998 Calculation with tol = 1.0e-04 Root of Y(1)-0.9 at 4.377 Solution is 0.90000 0.00002 0.09998 Case 4: calculating Jacobian internally intermediate output, no root-finding Calculation with tol = 1.0e-03 X Y(1) Y(2) Y(3) 0.00 1.00000 0.00000 0.00000 2.00 0.94163 0.00003 0.05834 4.00 0.90551 0.00002 0.09446 6.00 0.87928 0.00002 0.12070 8.00 0.85859 0.00002 0.14139 10.00 0.84143 0.00002 0.15855 10.00 0.84143 0.00002 0.15855 Calculation with tol = 1.0e-04 X Y(1) Y(2) Y(3) 0.00 1.00000 0.00000 0.00000 2.00 0.94161 0.00003 0.05836 4.00 0.90551 0.00002 0.09446 6.00 0.87926 0.00002 0.12072 8.00 0.85854 0.00002 0.14144 10.00 0.84136 0.00002 0.15862 10.00 0.84136 0.00002 0.15862 Case 5: calculating Jacobian internally no intermediate output, no root-finding (integrate to xend) Calculation with tol = 1.0e-03 X Y(1) Y(2) Y(3) 0.00 1.00000 0.00000 0.00000 10.00 0.84143 0.00002 0.15855 Calculation with tol = 1.0e-04 X Y(1) Y(2) Y(3) 0.00 1.00000 0.00000 0.00000 10.00 0.84136 0.00002 0.15862