you should concatenate the elements of a matrix in one dimensional array, for example if the input is
A = [1 2 3; 4 5 6; 7 8 9];
the output will be like this:
B = [1 2 3 4 5 6 7 8 9];
Change the sign of even index entries of the reversed vector
Area of a Square
Replace values under a limit
Write a code that will follow the equation y = x * (x + x) * x.
determine the sum of the squares
No more zeros
sum all digits
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