Table 9 Parameters of GEP model
Parameter | Description of parameter | Setting of parameter |
|---|---|---|
P1 | Function set | \(+ , - , \times , \div \surd ,3\surd ,sin,cos,Arctgx,\) x^2, x^3, e^x, ln, Inverse, Tanh, Avg 2 inputs |
P2 | Chromosomes | 50 |
P3 | Head size | 8 |
P4 | Number of genes | 3 |
P5 | Linking functions | Addition |
P6 | Fitness function error type | Root relative square error (RRSE) |
P7 | Mutation rate | 0.044 |
P8 | Inversion rate | 0.1 |
P9 | One-point recombination rate | 0.1 |
P10 | Two-point recombination rate | 0.3 |
P11 | Gene recombination rate | 0.1 |
P12 | Gene transportation rate | 0.1 |