The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many different ways this can be done, so be creative and submit more than one solution if you have lots of ideas!
Nice test suite
I really really want to know that how many methods to gain NaN up to now.
Determine whether a vector is monotonically increasing
Return the first and last character of a string
Test if two numbers have the same digits
Big numbers, least significant digits
Given the name from the legend, return the handle
Big numbers, repeated least significant digits
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