基于反向传播神经网络的棍棒类钝器打击速度预测

李海岩, 李海防, 潘建宇, 崔世海, 何光龙, 贺丽娟, 吕文乐

Strike Velocity Prediction of Stick Blunt Instruments Based on Backpropagation Neural Network

Hai-yan LI, Hai-fang LI, Jian-yu PAN, Shi-hai CUI, Guang-long HE, Li-juan HE, Wen-le LÜ

图3 神经网络前向传播与反向传播

\frac{? J (W, b)}{? b^{[L]} (? W^{[L]})}

代表对第L层的权值和偏置分别求偏导数。

Fig. 3 Forward and back propagation of neural network