Write a function that when given an odd number, produces an arrow-head function pointing to the right.
n = 3
n = 5
[ 1 0 0
0 1 0
0 0 1
1 0 0]
Add two numbers
Better bullseye matrix
Return unique values without sorting
Get the length of a given vector
The sum of the numbers in the vector
Two-output anonymous function?
Get ranks of values in a vector
Replace multiples of 5 with NaN
Flexible Anonymous Function
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