Modelling of the Elasticity Modulus for Rock Using Genetic Expression Programming

Table 1

Mechanical and physical features of rocks used in experiments.

	Min	Max	Mean	Standard deviation
ρ (g/cm^3)	1.91	3.24	2.65	0.28
(km/s)	0.74	6.48	4.23	1.26
(km/s)	0.48	5.13	2.71	0.99
RN	0.5	70.6	41.44	16.85
(MPa)	1.32	183	72.34	39.60
(GPa)	0.51	94	31.14	22.68