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.
Make the vector [1 2 3 4 5 6 7 8 9 10]
Who Has the Most Change?
Sum the elements in either diagonal of a square matrix
Volume and area of a sphere
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