Return double factorial
n(n-2)...(5)(3)(1), n>0, odd
n!! = n(n-2)...(6)(4)(2), n>0, even
1 , n = -1, or n = 0
6!! = (6)(4)(2) = 48
Neither n = -1, nor n = 0 are tested.
Remove the small words from a list of words.
Return the Fibonacci Sequence
Sum of first n terms of a harmonic progression
convert matrix to single column
Swap two numbers
Produce the following matrix
Repeat string n times
Basic Monte Carlo Simulation
Happy Free Wednesday!
Calculate trends in time series
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