本文通过给定的训练模式为例来推导bp网络学习的算法，并用(语言编程实现，运行程序给出学习误差曲线，最后指出实际应用中BP网络学习存

在的缺点并提出几点改进方案。

-In this paper, given as an example to the training model is derived bp network learning algorithm, and use (programming language, run the program gives error learning curve, and finally pointed out that the practical application of BP network learning shortcomings and to make a few points to improve the program.