Low rank approximation of grayscale image based on SVD 3

0. a matrix A: Original Grayscale Data
A=A(596) is a 596 by 794 matrix of rank 596 , i.e., A has 596 singular values.
1. A(10): the best approximation by matirices of rank 10
10 singular values from the largest
2. A(20): the best approximation by matirices of rank 20
20 singular values from the largest
3. A(30): the best approximation by matirices of rank 30
30 singular values from the largest
4. A(40): the best approximation by matirices of rank 40
40 singular values from the largest
5. A(50): the best approximation by matirices of rank 50
50 singular values from the largest
6. A(60): the best approximation by matirices of rank 60
60 singular values from the largest
7. A(70): the best approximation by matirices of rank 70
70 singular values from the largest
8. A(80): the best approximation by matirices of rank 80
80 singular values from the largest
9. A(390): the best approximation by matirices of rank 90
90 singular values from the largest
10. A(100): the best approximation by matirices of rank 100
100 singular values from the largest
11. A(110): the best approximation by matirices of rank 110
110 singular values from the largest
12. A(120): the best approximation by matirices of rank 120
120 singular values from the largest
13. A(130): the best approximation by matirices of rank 130
130 singular values from the largest
14. A(140): the best approximation by matirices of rank 140
140 singular values from the largest
15. A(150): the best approximation by matirices of rank 150
150 singular values from the largest
16. A(160): the best approximation by matirices of rank 160
160 singular values from the largest
17. A(170): the best approximation by matirices of rank 170
170 singular values from the largest
18. A(180): the best approximation by matirices of rank 180
180 singular values from the largest
19. A(190): the best approximation by matirices of rank 190
190 singular values from the largest
20. A(200): the best approximation by matirices of rank 200
200 singular values from the largest
21. a matrix A: Original Grayscale Data
A=A(596) is a 596 by 794 matrix of rank 596 , i.e., A has 596 singular values.