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view general/numerical/array/sum1.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
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function Y=sum1(X)
% sum1 - sum over dimension 1 and shiftdim 1
%
% sum1 :: [[N M]] -> [[M]].

	Z=sum(X,1);
	S=size(Z);
	Y=reshape(Z,[S(2:end) 1]);