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annotate general/numerical/array/sumn.m @ 61:eff6bddf82e3 tip

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Finally implemented perceptual brightness thing.
author samer
date Sun, 11 Oct 2015 10:20:42 +0100
parents db7f4afd27c5
children
rev   line source
samer@4 1 function Y=sumn(X,n)
samer@4 2 % sumn - sum over first n dimension and shiftdim n
samer@4 3 %
samer@4 4 % sumn :: [[N:[[1,L]] M]], L:natural -> [[M]].
samer@4 5 Y=shiftdim(sumdims(X,1:n),n);