Guess the formula to transform strings as follows:
'Hello World!' --> 'Ifmmp Xpsme!'
'Can I help you?' --> 'Dbo J ifmq zpv?'
Simple and interesting.
Find the palindrome
Getting the row and column location from a matrix
Doubling elements in a vector
Given a 4x4 matrix, swap the two middle columns
Get ranks of values in a vector
Count up then down
Apply a function array to an array of numbers
Flexible Anonymous Function
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