nag_pde_parab_1d_fd (d03pcc) Example Program Results

Accuracy requirement  =      0.00100
Parameter alpha       =      1.000

   t  /  x    0.0000  0.4000  0.6000  0.8000  0.9000  1.0000
(User-supplied callback bndary, first invocation.)
(User-supplied callback pdedef, first invocation.)

 0.0001 u(1)  0.0000  0.8008  1.1988  1.5990  1.7958  1.8485
        u(2)  0.9997  0.9995  0.9994  0.9988  0.9663 -0.0000

 0.0010 u(1)  0.0000  0.7982  1.1940  1.5841  1.7179  1.6734
        u(2)  0.9969  0.9952  0.9937  0.9484  0.6385 -0.0000

 0.0100 u(1)  0.0000  0.7676  1.1239  1.3547  1.3635  1.2830
        u(2)  0.9627  0.9495  0.8754  0.5537  0.2908 -0.0000

 0.1000 u(1)  0.0000  0.3908  0.5007  0.5297  0.5120  0.4744
        u(2)  0.5468  0.4299  0.2995  0.1479  0.0724 -0.0000

 1.0000 u(1)  0.0000  0.0007  0.0008  0.0008  0.0008  0.0007
        u(2)  0.0010  0.0007  0.0005  0.0002  0.0001 -0.0000

 Number of integration steps in time                      78
 Number of residual evaluations of resulting ODE system  378
 Number of Jacobian evaluations                           25
 Number of iterations of nonlinear solver                190