find the first elements of a column matrix
This would be better as "find the nth element of an array." Also, a column matrix doesn't exist. Perhaps you meant column vector, though the variables in your test cases are row vectors.
Back to basics 4 - Search Path
Back to basics 7 - Equal NaNs
Generate N equally spaced intervals between -L and L
Given area find sides
Determine if input is divisible by three.
Find the last digit
find a specific element from an matrix
multiply an array by its position number
modulus of a number
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