标准的BP神经网络程序，每步均有详细的讲解，适合初学者参考-Standard BP neural network program, each step are detailed explanations, suitable for beginners reference

能进行BP神经网络的建立、训练与识别，广泛应用于模式判别-BP neural network can be set up, training and recognition

BP神经网络,城市医疗服务能力评价，动物识别，源码-BP neural network, urban medical service capacity evaluation, animal identification, source

模式分类中基于BP神经网络的曲线拟合；根据BP神经网络的模型，调用MATLAB工具箱函数，通过对样本数据进行训练，对测试样本数据进行成功的预测，预测的输出值与实际值之间几乎没有偏差。-Pattern classification of curve fitting based on BP neural network Based on BP neural network model, call MATLAB toolbox function, through the training sampl