Table 1 Norms of the global errors arisen in the application of different spatial finite differences and time solvers to the semi-discrete model ( 18)-( 20) with N =21, in the rectangular domain [0,1]Ă—[0,2.5]
From: Numerical solution of a diffusion problem by exponentially fitted finite difference methods
Time solver | Classical finite difference | Trigonometrical |
|---|---|---|
| Â | Â | finite difference |
ode15s | 3.17e-3 | 3.12e-10 |
EF-based explicit | unstable | unstable |
RK method | Â | Â |
EF-based Lobatto | 3.22e-3 | 4.11e-12 |
IIIA method | Â | Â |