Research Article
New Phase Fitted and Amplification Fitted Numerov-Type Methods for Periodic IVPs with Two Frequencies
Table 2
Comparison of the end-point global errors and the consumed CPU time in seconds (in the brackets) produced by the five methods for Problem
2.
| | EFRKN4F | VPHA | TFNTONE | PFAFI | PFAFII |
| | 8 | NaN (0.02) | NaN (0.03) | NaN (0.02) | NaN (0.02) | 6.7e − 12 (0.02) | | 4 | NaN (0.05) | NaN (0.05) | NaN (0.03) | NaN (0.03) | 2.5e − 12 (0.03) | | 2 | NaN (0.09) | NaN (0.09) | NaN (0.06) | NaN (0.05) | 2.0e − 11 (0.06) | | 1 | NaN (0.17) | NaN (0.19) | NaN (0.13) | NaN (0.11) | 1.8e − 11 (0.09) | | NaN (0.34) | NaN (0.38) | NaN (0.25) | NaN (0.23) | 1.0e − 11 (0.20) | | NaN (0.70) | NaN (0.77) | NaN (0.5) | NaN (0.47) | 8.0e − 12 (0.40) | | NaN (1.42) | NaN (1.53) | NaN (1.0) | NaN (0.92) | 1.7e − 11 (0.82) | | 1.2e − 12 (2.56) | 1.6e − 11 (2.70) | 2.3e − 12(1.75) | NaN (1.86) | 1.8e − 11 (1.65) |
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