Sum the 'edge' values of an input matrix (the values along the perimeter).
[1 2 3
4 5 6
7 8 9]
Output = 1 + 2 + 3 + 6 + 9 + 8 + 7 + 4 = 40;
Assumption: Input matrix equal or bigger than 3x3.
how does this work?
"find" can delete,do you agree?
Generate pi using logarithm
Given area find sides
Is the input divisible by 3?
Avalaible area: wall construction
Compare two input matrices
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