bw.out

FORTRAN编写的差分程序

 Final time requested:    4.000000    
 Actual final time:    4.000000    
 delta_t =   3.9999999E-02
 delta_x =   5.0000001E-02
 lambda =   0.800000000000000     
 
    N           INITIAL            B-W           DIFFERENCE
    1        0.00000000        0.03757725        0.03757725
    2        0.00000000        0.04811675        0.04811675
    3        0.00000000       -0.00725372        0.00725372
    4        0.00000000       -0.03534684        0.03534684
    5        0.00000000       -0.00358650        0.00358650
    6        0.00000000        0.02214249        0.02214249
    7        0.00000000        0.00583801        0.00583801
    8        0.00000000       -0.01094522        0.01094522
    9        0.00000000        0.00334764        0.00334764
   10        0.00000000        0.02396375        0.02396375
   11        0.00000000        0.03455614        0.03455614
   12        0.00000000        0.06731181        0.06731181
   13        0.00000000        0.14441073        0.14441073
   14        0.00000000        0.26085156        0.26085156
   15        1.00000000        0.42904432        0.57095568
   16        1.00000000        0.65629238        0.34370762
   17        1.00000000        0.90693055        0.09306945
   18        1.00000000        1.12204892        0.12204892
   19        1.00000000        1.24067244        0.24067244
   20        1.00000000        1.21922084        0.21922084
   21        1.00000000        1.08079662        0.08079662
   22        1.00000000        0.92108832        0.07891168
   23        1.00000000        0.84488763        0.15511237
   24        1.00000000        0.88529270        0.11470730
   25        1.00000000        0.96150124        0.03849876
   26        1.00000000        0.94324714        0.05675286
   27        1.00000000        0.77682273        0.22317727
   28        0.00000000        0.52897227        0.52897227
   29        0.00000000        0.29755561        0.29755561
   30        0.00000000        0.10164907        0.10164907
   31        0.00000000       -0.08875261        0.08875261
   32        0.00000000       -0.23660170        0.23660170
   33        0.00000000       -0.24142917        0.24142917
   34        0.00000000       -0.08898604        0.08898604
   35        0.00000000        0.08647760        0.08647760
   36        0.00000000        0.14279895        0.14279895
   37        0.00000000        0.07134824        0.07134824
   38        0.00000000       -0.03410044        0.03410044
   39        0.00000000       -0.08062513        0.08062513
   40        0.00000000       -0.03713633        0.03713633
   41        0.00000000        0.03757725        0.03757725