very cool question: learn some new tricks, and get 10 points, why not?!
Hint to spare the pain : string(NaN)==
Who Has the Most Change?
Get the area codes from a list of phone numbers
How to subtract?
Matlab Basics - Rounding I
Apply Function to Each Field of a Structure Array: Part 1
0, 2, 0, -2, 0, 2, 0, -2, ...
Hankelize a matrix
Generating random matrix with given probability mass function
String Array Basics, Part 4: Convert String Array with Missing Values to Cell Array
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