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view general/numerical/array/sumn.m @ 37:beb8a3f4a345

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Renamed prefs to options throughout.
author samer
date Mon, 28 Jan 2013 10:52:11 +0000
parents db7f4afd27c5
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function Y=sumn(X,n)
% sumn - sum over first n dimension and shiftdim n
%
% sumn :: [[N:[[1,L]] M]], L:natural -> [[M]].
Y=shiftdim(sumdims(X,1:n),n);