python 神经网络编程，附中英文版本，无付费密码，放心下载(Make Your Own Neural Network)

梯度下降法python实现，神经网络的底层思想(Python implementation of gradient descent method, the underlying idea of neural network)

卷积神经网络（CNN）用来提取特征，采用SVM分类器进行训练和分类(Convolutional Neural Network (CNN) was used to extract features, and SVM classifier was used for training and classification)