Research Article
New Phase Fitted and Amplification Fitted Numerov-Type Methods for Periodic IVPs with Two Frequencies
Table 5
Comparison of the end-point global errors and the consumed CPU time in seconds (in the brackets) produced by the five methods for Problem
4.
| | EFRKN4F | VPHA | TFNTONE | PFAFI | PFAFII |
| | 1/4 | NaN (0.76) | NaN (0.61) | NaN (0.53) | NaN (0.42) | 3.45e − 7 (0.43) | | 1/8 | NaN (1.52) | NaN (1.24) | NaN (0.89) | NaN (0.81) | 2.14e − 8 (0.89) | | 1/16 | NaN (3.06) | NaN (2.45) | NaN (1.79) | NaN (1.60) | 1.33e − 9 (1.78) | | 1/32 | NaN (6.04) | NaN (4.89) | 0.008 (3.56) | 0.82 (2.5) | 3.98e − 11 (3.59) | | 1/64 | NaN (12.07) | NaN (9.73) | 0.08 (7.1) | 0.82 (5) | 4.39e − 12 (7.1) |
|
|
