BP的应用实例，是利用自身数据与属性数据预测后期数据的代码，该代码仅仅提供了BP的应用实例，其他算法思路可以自己进行修改-BP' s application example is the use of the code of their own data and attribute data to predict late data, the code only provides application examples of BP, other algorithms can modify their own ideas