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chappjc/rld_cumsum.m

Created March 16, 2015 18:15
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rld_cumsum.m
function out = rld_cumsum(vals,runlens)
% gnovice's solution to run-length-decoding
% (http://stackoverflow.com/a/1975835/2778484)
index = zeros(1,sum(runlens));
index([1 cumsum(runlens(1:end-1))+1]) = 1;
out = vals(cumsum(index));
return
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