Will fail on [0 0 0 0] or any longer vector of 0's.
I know... ;-) but it passes all the cases.
I implement this other solution before: http://www.mathworks.de/matlabcentral/cody/problems/2349-elements-with-highest-local-average/solutions/450770
Find the alphabetic word product
Convert a numerical matrix into a cell array of strings
middleAsColumn: Return all but first and last element as a column vector
Unique values without using UNIQUE function
Mysterious digits operation (easy)
Diagonal of a Spiral Matrix
longest common substring : Skipped character version
Text Processing - New
self description 2.0
Graph Algorithms - 2 : Chromatic Number
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