Research Article
A Family of Trigonometrically Fitted Enright Second Derivative Methods for Stiff and Oscillatory Initial Value Problems
Table 3
Results with
, for Example
17.
| | ESDM |
Ixaru and Vanden Berghe [30] | EM1
Err | EM2
Err | EM3
Err | EM4
Err | Simos
Err | Ixaru and Vanden Err |
| | 300 | 1.1 (−4) | 2.8 (−4) | 4.7 (−1) | 5.7 (−4) | 1.7 (−3) | 1.1 (−3) | | 600 | 1.8 (−5) | 2.3 (−5) | 1.9 (−5) | 4.5 (−6) | 1.9 (−4) | 5.4 (−5) | | 1200 | 2.7 (−6) | 1.3 (−6) | 3.3 (−7) | 2.9 (−7) | 1.4 (−5) | 1.9 (−6) | | 2000 | 6.2 (−7) | 1.6 (−7) | 1.6 (−8) | 1.2 (−8) | — | — | | 2400 | 13.7 (−7) | 5.8 (−8) | 1.1 (−8) | 3.9 (−9) | 8.7 (−7) | 6.2 (−8) | | 3000 | 1.9 (−7) | 1.2 (−8) | 3.9 (−9) | 1.1 (−9) | — | — | | 4800 | 4.8 (−8) | 7.8 (−10) | 4.0 (−10) | 4.1 (−11) | — | — |
|
|
