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
Make one big string out of two smaller strings
Back to basics 1 - Saving
Number of Horns on a unicorn!
Area of a circle
Back to basics 21 - Matrix replicating
Back to basics 7 - Equal NaNs
Back to basics 12 - Input Arguments
Toolbox check part 3
Better bullseye matrix
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