Make the following variable:
A 9x9 matrix of zeros, but with the following values on the main diagonal:
(Hint: use diag)
Remove all the words that end with "ain"
Getting logical indexes
07 - Common functions and indexing 6
Area of an equilateral triangle
Test Problem; Create a 5x5 array containing all ones
02 - Vector Variables 5
06 - Matrix Equations 3
06 - Matrix Equations 1
02 - Vector Variables 1
04 - Scalar Equations 1
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