Covering some basic topics I haven't seen elsewhere on Cody.
Given an input matrix and row and column, output the index of the referenced element.
matrix: [10 12 22; 9 3 5]
-> index = 6
Flip the main diagonal of a matrix
Do Fast Fourier Transformation
Length of the hypotenuse
Back to basics 19 - character types
Back to basics 18 - justification
Back to basics 7 - Equal NaNs
Back to basics 15 - Benchmark
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