| x | Error (Present method) | Error [15] |
| 0.01 | 1.00e−10 | 1.47e−06 |
| 0.10 | 0.00e+00 | 1.82e−06 |
| 0.50 | 8.00e−10 | 1.41e−06 |
| 1.00 | 1.50e−09 | 1.25e−06 |
| 2.00 | 3.51e−08 | 6.93e−07 |