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## Main Question or Discussion Point

I'm trying to take the inverse of an image matrix by doing the following:

>> A=imread ('noise.jpg');

>> inv(A)

But I'm getting the following error:

??? Undefined function or method 'inv' for input arguments of type 'uint8'.

How can I change the image matrix so that I can take the inverse of it?

>> A=imread ('noise.jpg');

>> inv(A)

But I'm getting the following error:

??? Undefined function or method 'inv' for input arguments of type 'uint8'.

How can I change the image matrix so that I can take the inverse of it?