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.
Test for balanced parentheses
Simple equation: Annual salary
Sum the 'edge' values of a matrix
04 - Scalar Equations 3
02 - Vector Variables 1
06 - Matrix Equations 3
07 - Common functions and indexing 3
07 - Common functions and indexing 5
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