小波变换在图像处理中有广泛应用，本程序利用matlab来实现小波变换，得到小波变换的系数，并且进行排序-Wavelet transform is widely used in image processing, the program using matlab wavelet transform, wavelet transform coefficient, and sort

实现二维数组的zigzag排序，将二维数组按zigzag排序后，整合成一个一维数组(To achieve two-dimensional array of zigzag sort, the two-dimensional array by zigzag sort, integrated into a one-dimensional array)