本程序用matlab编写，根据haar小波算法，生成任意大小NXN的矩阵。里面有两种不同构造方法，第一种是自己编写，第二种有所改动-This program is written using matlab haar wavelet algorithm to generate a matrix of any size NXN. There are two different constructor, the first is to write your own, the second is subject to change