1. Type wavemenu at the MATLAB command line

2. Select the Wavelet 1-D menu option to open the Wavelet 1-D tool.

3. choose the File ⇒ Load original 1-D signal. load sumsin from matlab2007\toolbox\wavelet\wavedemo

4. Hit Analyze

5. From the Wavelet 1-D tool, choose the File ⇒ Example Analysis

6. Choose “frequency breakdown”

7. display these images in a suitable way, the Wavelet 2-D tool

8. Load image from \toolbox\image\imdemo

9. Hit Analyze

10. A=floor(64*rand(8)) pcolor(A) %figure; colormap(gray(64)) colormap(gray(64)) T=w'*A*w pcolor(T) colormap(gray(64))

11. s1= [1/2 0 0 0 1/2 0 0 0; 1/2 0 0 0 -1/2 0 0 0; 0 1/2 0 0 0 1/2 0 0 ; 0 1/2 0 0 0 -1/2 0 0 ; 0 0 1/2 0 0 0 1/2 0 ; 0 0 1/2 0 0 0 -1/2 0 ; 0 0 0 1/2 0 0 0 1/2 ; 0 0 0 1/2 0 0 0 -1/2 ] s2= [1/2 0 1/2 0 0 0 0 0; 1/2 0 -1/2 0 0 0 0 0; 0 1/2 0 1/2 0 0 0 0; 0 1/2 0 -1/2 0 0 0 0; 0 0 0 0 1 0 0 0; 0 0 0 0 0 1 0 0 ; 0 0 0 0 0 0 1 0; 0 0 0 0 0 0 0 1 ]

12. s3= [1/2 1/2 0 0 0 0 0 0; 1/2 -1/2 0 0 0 0 0 0; 0 0 1 0 0 0 0 0; 0 0 0 1 0 0 0 0; 0 0 0 0 1 0 0 0; 0 0 0 0 0 1 0 0 ; 0 0 0 0 0 0 1 0; 0 0 0 0 0 0 0 1 ]

13. A=floor(64*rand(8)) pcolor(A) colormap(gray(64)) T=A*s1*s2*s3

14. A 575222243610146 6115533630385861 355937401690 82235321415249 912583310443452 1616184950476355 53394859192855 16304883352825

15. T 27.625 11.12515.756.52.5-1134 44-2.75-3.25-12.75238.5-4-1.5 2013.7513.251.75-1216.5-84.5 28.875 -11.875-2-9.75-716-101.5 31.5-3.5-17.5-8-1.512.5-17-9 39.25-14.5-8.75-5.250-15.51.54 3217.75-3.759.257-5.5-4.50 24.1251.375-2.5-3.75-720141.5

16. A=[60 52 59 8 28 53 19 24; 14 28 58 12 59 1 12 55; 38 39 26 12 29 43 12 54; 31 50 57 38 26 24 43 37; 57 58 3 17 54 53 19 31; 48 47 22 12 33 32 34 57; 29 11 52 0 12 45 9 52; 1 25 0 47 43 27 44 41]

17. T=A*s1*s2*s3 37.8756.87511.259.5425.5-12.5-2.5 29.875-1.875-7-1.75-72329-21.5 31.625-2.8759.751.5-0.57-7-21 38.255.75-3.5-7.5-9.59.513 36.5-2.7523.7514.25-0.5-70.5-6 35.625-3.37515.25-6.50.550.5-11.5 26.25-3.25-3-1926-16.5-21.5 28.5-10.25-5.25-3.75-12-23.581.5

18. w=s1*s2*s3 t2=w'*A*w 33.0625 -1.46885.15620.5938-2 8.18750.375-9.9375 1.34383.4375-2.5312-0.1562-1.258.06252.25-0.5625 -0.53120.5312-0.53.43751.7585.625-1.5 4.34381.843811.81253.1250.75-1.1252.3750.625 44.3759.1255.6255.51.25-20.759.5 -3.3125-4.31256.6254.54.5-1.25-4-12 0.43750.31254.2510.375-0.5-602.75 -1.1253.51.1251.37510.524.75-12.25-11.5