nag_pde_parab_1d_coll_ode (d03pjc) Example Program Results Degree of Polynomial = 2 No. of elements = 10 Simple coupled PDE using BDF Accuracy requirement = 1.000e-04 Number of points = 21 x 0.000 0.200 0.400 0.600 1.000 (User-supplied callback uvinit, first invocation.) (User-supplied callback pdedef, first invocation.) (User-supplied callback odedef, first invocation.) (User-supplied callback bndary, first invocation.) t = 0.200 App. sol. 0.222 0.174 0.128 0.084 0.001 ODE sol. = 0.200 Exact sol. 0.221 0.174 0.127 0.083 0.000 ODE sol. = 0.200 t = 0.400 App. sol. 0.492 0.378 0.272 0.174 0.000 ODE sol. = 0.400 Exact sol. 0.492 0.377 0.271 0.174 0.000 ODE sol. = 0.400 t = 0.800 App. sol. 1.226 0.897 0.616 0.377 0.000 ODE sol. = 0.800 Exact sol. 1.226 0.896 0.616 0.377 0.000 ODE sol. = 0.800 t = 1.600 App. sol. 3.953 2.597 1.611 0.896 -0.001 ODE sol. = 1.600 Exact sol. 3.953 2.597 1.612 0.896 0.000 ODE sol. = 1.600 t = 3.200 App. sol. 23.533 11.931 5.814 2.590 -0.007 ODE sol. = 3.202 Exact sol. 23.533 11.936 5.821 2.597 0.000 ODE sol. = 3.200 Number of integration steps in time = 46 Number of function evaluations = 590 Number of Jacobian evaluations = 20 Number of iterations = 137