Example description

 D03PSF Example Program Results


 Example 1


  NPTS =   61 ATOL =  0.100E-03 RTOL =  0.100E-03

 T =  0.100
 X           0.2000   0.3000   0.4000   0.5000   0.6000   0.7000   0.8000
 Approx U    0.0000   0.1198   0.9461   0.1182   0.0000   0.0000   0.0000

 T =  0.200
 X           0.2000   0.3000   0.4000   0.5000   0.6000   0.7000   0.8000
 Approx U    0.0000   0.0007   0.1631   0.9015   0.1629   0.0001   0.0000

 T =  0.300
 X           0.2000   0.3000   0.4000   0.5000   0.6000   0.7000   0.8000
 Approx U    0.0000   0.0000   0.0025   0.1924   0.8596   0.1946   0.0002

 Number of integration steps in time =     92
 Number of function evaluations =    443
 Number of Jacobian evaluations =    39
 Number of iterations =    231


 Example 2


 NPTS =   61 ATOL =  0.500E-03 RTOL =  0.500E-01

 T =  0.200
        X        Approx U    Exact U

      0.0000      1.0000      1.0000
      0.3000      0.9536      1.0000
      0.4000      0.0000      0.0000
      0.5000      0.0000      0.0000
      0.6000      0.0000      0.0000
      0.7000     -0.0000      0.0000
      1.0000      0.0000      0.0000
 T =  0.400
        X        Approx U    Exact U

      0.0000      1.0000      1.0000
      0.3000      1.0000      1.0000
      0.4000      1.0000      1.0000
      0.5000      0.9750      1.0000
      0.6000     -0.0000      0.0000
      0.7000      0.0000      0.0000
      1.0000      0.0000      0.0000

 Number of integration steps in time =    672
 Number of function evaluations =   1515
 Number of Jacobian evaluations =     1
 Number of iterations =      2