Table 12 Model coefficients between the layers between the input and the first hidden layer.

From: Machine learning prediction of methane, nitrogen, and natural gas mixture viscosities under normal and harsh conditions

Neuron #

\({w}_{i,j=1}\)

\({w}_{i,j=2}\)

\({b}_{i}\)

1

3.9617

− 9.531

− 6.425

2

4.9625

6.1014

− 7.94

3

− 10.945

29.632

17.707

4

5.0953

− 4.108

− 0.222

5

0.5023

1.5331

− 0.233

6

− 0.0981

− 8.291

− 6.497

7

− 5.064

− 0.697

− 5.634

8

0.8509

20.827

20.503

9

17.824

− 0.04

17.895

10

21.781

11.666

33.688

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