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.
given 3 sides, find area of this triangle
Matrix indexing with two vectors of indices
03 - Matrix Variables 2
02 - Vector Variables 2
04 - Scalar Equations 1
05 - Vector Equations 3
06 - Matrix Equations 2
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