Write a routine to flatten the two-dimensional array you have obtained and perform an SVD. [closed]

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I am given a picture that i need to perform the following commands. any suggestions?

Use OpenCV to read the image file "image.jpg" into an appropriate two-dimensional array

Write a routine to flatten the two-dimensional array you have obtained and perform an SVD

Reconstruct and display the image using

for values N = 5, 20, 70, 100. Be sure to label each figure with the singular values represented in the image.