Covering some basic topics I haven't seen elsewhere on Cody.
Given an input vector of numbers, output a square array with the vector as the main diagonal and all other elements = 0.
1 0 0 0
0 2 0 0
0 0 3 0
0 0 0 4
Return the 3n+1 sequence for n
Back to basics 6 - Column Vector
Make an awesome ramp for a tiny motorcycle stuntman
Replicate elements in vectors
Back to basics 7 - Equal NaNs
Back to basics 17 - white space
Better bullseye matrix
Back to basics 22 - Rotate a matrix
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