Write a function that has the following property: f(f(x)) = -x for any numeric array x.
Note that there is no restriction on the output for f(x). How bizarre can you make it?
This one really surprised me.
Getting a little silly!
Count from 0 to N^M in base N.
Create a square matrix of multiples
middleAsColumn: Return all but first and last element as a column vector
Remove the two elements next to NaN value
Do you like your boss?
Multivariate polynomials - overload multiplication
Multivariate polynomials - sort monomials
Multivariate polynomials - emulate symbolic form
Find all vampire fangs
Product of two multivariate polynomials
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