此代码为BP神经网络程序及灰色预测源代码，基于matlab编译环境，适用于各种BP神经网络的拟合及仿真预测，使用前请根据背景自行导入数据及调整神经节数-This code for the program and a pair of grey BP neural network prediction of source code, based on the MATLAB compiler environment, suitable for all kinds of BP neural networ