MATLAB: How to find biggest element of the array

array

I am aware max(A) will give me the biggest element, however it gives me another array with all the biggest elements.

Is there a way to do something like max(max(A))?

max(A(:))

As I is a matrix,, you have to use max twice or use an array instead of matrix.

max_pixel = max(max(a)) ; 
min_pixel = min(min(a)) ;

Or use

max_pixel = max(a(:)) ; 
min_pixel = min(a(:)) ;

A - your matrix

[c,index] = max(A,[],2)