Hello, Shaul Salomon. I suggest testing for an empty return variable w, rather than requiring w = , which is not the same thing. See Solution 1538012, which produces a 0×1 empty column vector. —DIV
Finding Perfect Squares
Sort a list of complex numbers based on far they are from the origin.
Given area find sides
Divisible by 5
Remove the air bubbles from a vector
Vertical matrix sort
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