中文说明：基于BP神经网络的数字图像识别采用引进动量项和变步长法的改进型BP网络train.m 训练shibie.m 识别actfun.m 激活函数image.rar 图像库
English Description：
Digital image recognition based on BP neural network adopts improved BP network with momentum term and variable step size method to train shibie. M and recognize actfun. M activation function image.rar Image library