Parameters of the GEP model applied in present study
Parameters . | Definition . | Setting of parameter . |
---|---|---|
P1 | Function set | +, −, *, /, √, x2 |
P2 | Chromosomes | 30 |
P3 | Head size | 8 |
P4 | Number of genes | 3 |
P5 | Linking function | Addition |
P6 | Fitness function | Root mean square error (RMSE) |
P7 | Mutation rate | 0.044 |
P8 | Inversion rate | 0.1 |
P9 | One-point recombination rate | 0.3 |
P10 | Two-point recombination rate | 0.3 |
P11 | Gene recombination rate | 0.1 |
P12 | Gene transposition rate | 0.1 |
Parameters . | Definition . | Setting of parameter . |
---|---|---|
P1 | Function set | +, −, *, /, √, x2 |
P2 | Chromosomes | 30 |
P3 | Head size | 8 |
P4 | Number of genes | 3 |
P5 | Linking function | Addition |
P6 | Fitness function | Root mean square error (RMSE) |
P7 | Mutation rate | 0.044 |
P8 | Inversion rate | 0.1 |
P9 | One-point recombination rate | 0.3 |
P10 | Two-point recombination rate | 0.3 |
P11 | Gene recombination rate | 0.1 |
P12 | Gene transposition rate | 0.1 |