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 network for prediction and simulation of fitting, according to the background to the imported data before use and adjust the number of ganglion