| N | 5 | 10 | 20 | 40 | 80 | 160 |
| Error | 5.807e−0 | 1.376e−0 | 3.394e−1 | 8.459e−2 | 2.113e−2 | 5.281e−3 |
| Order |
| −2.08 | −2.02 | −2.00 | −2.00 | −2.00 |