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 relatively common elements in matrix rows
radius of a spherical planet
Compute a dot product of two vectors x and y
Find the nearest integer
Back to basics 6 - Column Vector
Back to basics 20 - singleton dimensions
Toolbox check part 3
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