人工神经网络BP算法,C++编写，可以： 1、动态改变学习速率 2、加入动量项 3、可暂停运算 4、可将网络以文件的形式保存、恢复-Artificial neural network BP algorithm, C++ to write, you can: a dynamically changing learning rate to 2 by adding momentum item 3, may suspend the operator 4 network to save the file