Research Article

Modelling of the Elasticity Modulus for Rock Using Genetic Expression Programming

Table 5

Constants in the GEP model.

ConstantSub-ET 1Sub-ET 2Sub-ET 3Sub-ET 4

3.61−4.317.185.91
11.196.0016.886.98
3.075.515.8510.29
3.205.81−0.58−6.25
−4.00−8.86−0.685.70