Find the sum of the elements in the "second" diagonal
2 b | ~ 2 b
Count up then down
Who is the smartest MATLAB programmer?
Wind Chill Computation
What is the next step in Conway's Life?
Find all elements less than 0 or greater than 10 and replace them with NaN
Renaming a field in a structure array
Get the area codes from a list of phone numbers
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