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
Right and wrong
Compute a dot product of two vectors x and y
06 - Matrix Equations 1
Array of Ones
Back to basics 20 - singleton dimensions
Back to basics 13 - Input variables
Back to basics 6 - Column Vector
Back to basics 15 - classes
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