Make the following variable:
A 9x9 matrix of zeros, but with the following values on the main diagonal:
(Hint: use diag)
Find the largest value in the 3D matrix
Sum the numbers on the main diagonal
The sum of the numbers in the vector
Produce a cosine wave
06 - Matrix Equations 3
06 - Matrix Equations 2
02 - Vector Variables 1
07 - Common functions and indexing 2
05 - Vector Equations 1
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