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?
Find relatively common elements in matrix rows
Which doors are open?
Back to basics 23 - Triangular matrix
matrix of natural number
sum of first 'n' terms
Avalaible area: wall construction
Compare two input matrices
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