Table 1 Different BPNN models.

From: Classification of coal bursting liability of some chinese coals using machine learning methods

No.

Trained method

BPNN model

1

Gradient descent

Standard BPNN

2

Quantized conjugate gradient

SCG-BPNN

3

Fletcher-Reeves conjugate gradient

CGF-BPNN

4

Polak-Ribiere conjugate gradient

CGP-BPNN

5

Momentum gradient descent

GDM-BPNN

6

Adaptive lr gradient descent

GDA-BPNN

7

Adaptive lr momentum gradient descent

GDX-BPNN

8

Elastic gradient descent

RP-BPNN

9

Levenberg–Marquardt

LM-BPNN

10

Quasi-Newton

BFG-BPNN