Guess the formula to transform strings as follows:
'Hello World!' --> 'Ifmmp Xpsme!'
'Can I help you?' --> 'Dbo J ifmq zpv?'
Simple and interesting.
Are you in or are you out?
letter yes yes & letter no no
Detect a number and replace with two NaN's
Reverse the elements of an array
Replace multiples of 5 with NaN
Handle to an array of functions
Raise Matrix to Power
Two-output anonymous function?
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