annotate general/arrutils/mzip.m @ 61:eff6bddf82e3 tip

Finally implemented perceptual brightness thing.
author samer
date Sun, 11 Oct 2015 10:20:42 +0100
parents e44f49929e56
children
rev   line source
samer@4 1 % mzip - Apply array to multiple index arrays
samer@4 2 %
samer@4 3 % mzip :: [[N,M]->D], [[L]->[N]], [[L]->[M]] -> [[L]->D].
samer@4 4 %
samer@4 5 % The name mzip is meant to suggest Matrix or Multiple Zip,
samer@4 6 % with zip referring to the functional programming sort of
samer@4 7 % zip where you can apply a function of N arguments to N
samer@4 8 % lists of arguments and get a list of return values.
samer@4 9 % eg, mzip(x,[2 4 1],[3 2 2]) = [x(2,3) x(4,2) x(1,2)].
samer@4 10
samer@4 11 function B=mzip(A,varargin), B=A(sub2ind(size(A),varargin{:}));
samer@4 12
samer@4 13