Research Article

Hydraulic Fracturing Breakdown Pressure and Prediction of Maximum Horizontal In Situ Stress

Table 5

Weights and biases for architecture 4-20-1 (connection between the hidden layer and the output layer).


19.289791
25.096083
3−2.02326
4−2.04528
55.094896
6−44.981
7−0.35586
8−0.59405
91.103658
102.020357
112.68378
12−1.24796
132.751768
142.959985
151.140472
165.726483
173.796531
181.041735
19−7.1876
20−4.04817
Biase 3.307398