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
Number of Circles in a Number
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Simple equation: Annual salary
Create a two dimensional zero matrix
Convert Roman to Arabic Numerals
Toolbox check part 3
Back to basics 1 - Saving
Better bullseye matrix
Back to basics 13 - Input variables
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