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
Find best placement for ordered dominoes (harder)
Is it an Armstrong number?
Find the hypotenuse
Better bullseye matrix
Back to basics 23 - Triangular matrix
Convert Hard Drive marketing sizes to actual data sizes
Back to basics 7 - Equal NaNs
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