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[Octave-bug-tracker] [bug #60076] signal xcorr bug for large datasets

From: Mark van Rossum
Subject: [Octave-bug-tracker] [bug #60076] signal xcorr bug for large datasets
Date: Thu, 18 Feb 2021 13:38:20 -0500 (EST)
User-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.182 Safari/537.36 
Follow-up Comment #1, bug #60076 (project octave):

Even simpler example highlighting that the data-size matters:

a=mod(1:1000,2);               % 0,1,0,1,0,.....
plot(xcorr(a,a,20,'unbiased')) % looks fine


a=mod(1:10000,2);  % longer time-series
plot(xcorr(a,a,20,'unbiased')) % divergencies


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