里面有灰色预测模型的matlab程序，只需输入数据即可，调试成功，可运行。-There are gray prediction model matlab program, you can simply enter the data, debugging success, can be run.

灰色预测的简单程序，比较容易懂，可能功能不全但可以在这基础上进行修改(Gray prediction of simple procedures, relatively easy to understand, may be incomplete, but can be modified on this basis)