Guess the formula to transform strings as follows:
'Hello World!' --> 'Ifmmp Xpsme!'
'Can I help you?' --> 'Dbo J ifmq zpv?'
Simple and interesting.
Angle between two vectors
Back to basics 23 - Triangular matrix
Rotate a Matrix
Sum the Digits of a Number
frame of the matrix
Create an 'arrow-head" matrix
Handle to an array of functions
Two-output anonymous function?
Apply a function array to an array of numbers
Flexible Anonymous Function
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