You *do* realize that MathWorks is based in Massachusetts, right? :-)
somebody's Matlab license is about to mysteriously disappear...
Behold...the power of MATLAB: http://blogs.mathworks.com/seth/2015/01/27/simuflate/
Extract leading non-zero digit
Right and wrong
Sum of diagonal of a square matrix
Replace multiples of 5 with NaN
Is the input divisible by 3?
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