灰色模型很有用的模型，是自己原创，希望能给大家带来用处-Gray model useful model is their original, I hope everyone can use

模拟退火算法的matlab通用源程序，是一个编写MATLAB语言的模板，对于解决问题有很好的帮助-Simulated annealing algorithm matlab source gm, is a template, write the matlab language has a very good help to solve the problem

改变背景值的灰色预测，根据实际情况通过不断调整matlab程序中的m值，达到更高的精度。-Change the grey prediction of background value, through the continuous adjustment of the m value in the matlab program according to the actual situation, to achieve higher accuracy.