计算差分盒维数的matlab程序 该程序只能计算size为NxN（N=2^n）的图形。-difference calculation of the box dimension procedures Matlab program only for the calculation of size NxN (N = 2 ^ n) graphics.

二维差分计盒维数的matlab算法，该程序只能计算size为NxN（N=2^n）的图形。-Two-dimensional differential box-counting dimension matlab algorithm, the program can only calculate size of NxN (N = 2 ^ n) graphics.