very cool question: learn some new tricks, and get 10 points, why not?!
Hint to spare the pain : string(NaN)==
Back to basics 7 - Equal NaNs
Return 'on' or 'off'
Equal to their cube
Fast 1-D Convolution (full shape)
String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values
Combine the first and last names
The Top 5 Primes
Hankelize a matrix
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