Intelligent Prediction Model of the Triaxial Compressive Strength of Rock Subjected to Freeze-Thaw Cycles Based on a Genetic Algorithm and Artificial Neural Network

Table 2

Empirical formulas of the ANN structure.

Reference	Equations	Computational results	Parameter
Zhang [39]			and are the numbers of neurons in the input layer and output layer, respectively, which are both 3 in these paper.
Hecht-Nielsen [37]
Ripley [40]
Paola [41]
Wang [42]
Masters [43]
Kaastra and Boyd [44], Kanellopoulos and Wilkinson [45]