very nice expansion using struct!
And again, Alfonso beats us all. Well done.
Ha... Obi-wan, become matlab you must... :)
I often wish 'expand' was part of matlab base, don't you? (http://blogs.mathworks.com/pick/2012/03/02/when-deal-doesnt-work-disperse-2/)
I agree. Actually, at first glance I thought it was.
Sum all integers from 1 to 2^n
Back to basics 23 - Triangular matrix
Return unique values without sorting
Create a matrix from a cell
Wheat on a chessboard pt 2
Create an 'arrow-head" matrix
Get ranks of values in a vector
Raise Matrix to Power
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