Table 2 Computed rate of convergence for Example 1
From: Fourth-order fitted mesh scheme for semilinear singularly perturbed reaction–diffusion problems
\(\varepsilon \downarrow N \to\) | 32 | 64 | 128 | 256 |
|---|---|---|---|---|
\(2^{ - 5}\) | 3.9980 | 3.9995 | 4.0000 | 4.0146 |
\(2^{ - 6}\) | 3.9962 | 3.9991 | 3.9997 | 4.0027 |
\(2^{ - 7}\) | 3.9810 | 4.0002 | 3.9990 | 4.0007 |
\(2^{ - 8}\) | 3.9238 | 3.9700 | 3.9869 | 3.9937 |
\(2^{ - 9}\) | 3.8428 | 3.9418 | 3.9763 | 3.9894 |