Table 2.
Performance results of the training algorithms in the testing period.
| Neurons Hidden layer |
QN |
LM |
CG |
||||||
|---|---|---|---|---|---|---|---|---|---|
| R | MSE (μW.cm−2) | Time (s) | R | MSE (μW. cm−2) | Time (s) | R | MSE (μW cm−2) | Time (s) | |
| 3 | 0.886 | 10.32 | 11.4 | 0.862 | 9.38 | 7.2 | 0.791 | 9.54 | 23.2 |
| 4 | 0.888 | 8.88 | 10.8 | 0.861 | 10.13 | 9.5 | 0.869 | 7.88 | 16.8 |
| 5 | 0.884 | 7.56 | 9.1 | 0.892 | 7.94 | 11.3 | 0.888 | 9.51 | 9.2 |
| 6 | 0.901 | 10.20 | 18.0 | 0.878 | 7.46 | 17.3 | 0.898 | 8.07 | 23.6 |
| 7 | 0.894 | 11.25 | 13.3 | 0.928 | 9.15 | 14.6 | 0.856 | 10.64 | 27.4 |
| 8 | 0.895 | 8.45 | 14.3 | 0.950 | 7.90 | 7.8 | 0.898 | 8.56 | 14.1 |
| 9 | 0.932 | 7.89 | 11.2 | 0.920 | 8.79 | 9.6 | 0.901 | 8.18 | 34.3 |
| 10 | 0.779 | 12.56 | 8.4 | 0.946 | 7.67 | 13.5 | 0.913 | 7.66 | 27.0 |
| 11 | 0.898 | 8.65 | 27.6 | 0.916 | 7.80 | 18.5 | 0.920 | 10.07 | 18.2 |
| 12 | 0.895 | 7.78 | 16.6 | 0.884 | 7.72 | 15.4 | 0.841 | 10.13 | 17.6 |