Make the following variable:
A 9x9 matrix of zeros, but with the following values on the main diagonal:
(Hint: use diag)
Encode Roman Numerals
radius of a spherical planet
Calculate the area of a triangle between three points
04 - Scalar Equations 3
07 - Common functions and indexing 1
03 - Matrix Variables 3
02 - Vector Variables 5
02 - Vector Variables 4
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