D03PHF Example Program Results Simple coupled PDE using BDF Accuracy requirement = 0.100E-03 Number of points = 21 X 0.000 0.200 0.400 0.600 1.000 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. 0.493 0.379 0.273 0.176 0.002 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. 1.229 0.901 0.622 0.384 0.008 ODE sol. = 0.798 Exact sol. 1.226 0.896 0.616 0.377 0.000 ODE sol. = 0.800 T = 1.600 App. sol. 3.959 2.610 1.629 0.917 0.027 ODE sol. = 1.594 Exact sol. 3.953 2.597 1.612 0.896 0.000 ODE sol. = 1.600 T = 3.200 App. sol. 23.468 11.973 5.885 2.665 0.074 ODE sol. = 3.184 Exact sol. 23.533 11.936 5.821 2.597 0.000 ODE sol. = 3.200 Number of integration steps in time = 36 Number of function evaluations = 498 Number of Jacobian evaluations = 17 Number of iterations = 117