说明：  灰色预测在预测以及数学建模有着重要的应用，主要用来预测小样本数据。本文件是调试好的程序，可以直接拿来使用进行预测。且程序包含归一化语句，直接将原始数据进行计算即可。
(Gray prediction has important applications in forecasting and mathematical modeling and is mainly used to predict small sample data. This document is a good debugging procedures, can be used directly to predict. And the program contains normalized statements, the original data can be calculated directly.)