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
First non-zero element in each column
Back to basics 11 - Max Integer
Replicate elements in vectors
How many Integers?
Triangle of numbers
Vertical matrix sort
Find the largest number
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