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
Back and Forth Rows
Say something funny
Reverse a matrix
multiply by three
Back to basics 16 - byte order
Back to basics 14 - Keywords
Back to basics 25 - Valid variable names
Back to basics 9 - Indexed References
Back to basics 18 - justification
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