中文说明：计算差分盒维数的matlab程序，是根据一篇文章写出来的，我也是下载的，看着不错就穿上来了，但还不知这样求维数对不对？
English Description：
The matlab program to calculate the dimension of the difference box is written according to an article. I also downloaded it. It looks good and I put it on. But I don't know whether it is right to calculate the dimension in this way?