Mercurial > hg > ishara

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

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Finally implemented perceptual brightness thing.
author samer
date Sun, 11 Oct 2015 10:20:42 +0100
parents db7f4afd27c5
children
line wrap: on
line source
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);