Given an array, return the cumulative difference.
a = [ 1 3 5 7 ]
cumdiff = [ 1 2 1 -2 ]
First N Perfect Squares
Do you like your boss?
Length of a short side
Area of a triangle
Integer or Float?
Create an index-powered vector
Back to basics - mean of corner elements of a matrix
Find and replaces spaces from a input string with *
Matrix multiplication across rows
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