Analytical solutions (Perturbation method)

Numerical solutions at large time (t = 1.0) (implicit finite difference method)

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0.0

0.052829450187355

0.088409716341568

0.108861470010599

0.116391069074050

0.113075548985047

0.100883411538198

0.081694327474669

0.057317950114637

0.029512028310309

0.0

0.0

0.052891525028535

0.088323183046247

0.108659409815396

0.116111597365865

0.112759421899413

0.100571136321596

0.081423079561766

0.057118614533452

0.029406666832307

0.0