Table 2 GEP setting parameters used in the study.

From: On the evaluation of the carbon dioxide solubility in polymers using gene expression programming

Parameters

Value/setting

The number of head size

10–15

Chromosome

500

Number of generation

300

Mutation rate

0.25

Inversion rate

0.1

Operators used

+, −, \(\times\), /, exp, X2, INV, cos, ln, sqrt