Table 2.
Parameters setting of the GEP model.
| Parameter | Setting |
|---|---|
| General | |
| Genes | 4 |
| Head size | 10 |
| Chromosomes | 1000 |
| Linking function | Multiplication |
| Set of functions | +, -, *,/, Exp, Ln, Inv, x2, x3, x4, x5, 3Rt, 6Rt |
| Numerical constants | |
| Constant per gene | 10 |
| Upper bound | 10 |
| Data type | Floating-point |
| Lower bound | −10 |
| Genetic operators | |
| Mutation | 0.00138 |
| Permutation | 0.00546 |
| Inversion rate | 0.00546 |
| Random cloning | 0.00102 |
| IS transportation rat | 0.00546 |
| RIS transportation rate | 0.00546 |
| Gene transportation rate | 0.00277 |
| Recombination rate | 0.00277 |
| RNC mutation | 0.00206 |
| Dc mutation | 0.00206 |