Create a variable m as a magic square with the size 6 x 6
Magic squares are defined as square matrices, where the sum of all rows and columns are equal.
(Hint: see help magic)
Replace all the numbers above or equal to 20 with zero.
Back to basics 22 - Rotate a matrix
Length of a short side
Find the dimensions of a matrix
Create a Matrix of Zeros
07 - Common functions and indexing 4
01 - Scalar variables
04 - Scalar Equations 2
05 - Vector Equations 1
03 - Matrix Variables 4
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