x | Exact value [27] | Standard VPM | VPM with h |
0.1 | 0.9983358 | 0.7845924 | 0.9983358 (h = −0.3) |
0.5 | 0.9598391 | −4.8786617 | 0.959838 (h = −0.35) |
1 | 0.8550576 | 66.787236 | 0.8550575 (h = −0.355) |