Make the following variable:
A 9x9 matrix of zeros, but with the following values on the main diagonal:
(Hint: use diag)
Make one big string out of two smaller strings
Find the dimensions of a matrix
Determine the mean of matrix
05 - Vector Equations 2
05 - Vector Equations 1
02 - Vector Variables 4
02 - Vector Variables 3
07 - Common functions and indexing 1
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