中文说明：
BP神经网络预测的算法，内含代码和数据。输入7维，输出1维，前面的35组数据进行训练，最后1组数据进行预测，曲线为神经网络的拟合效果。
English Description：
The algorithm of BP neural network prediction, containing the code and data.In front of the 1 d 7 d input, output, 35 sets of data for training, finally a set of data to forecast, curve fitting effect for neural network.