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How to download the "xcorr" inbuilt function

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Virginie
Virginie el 15 de Mzo. de 2013
Hi everybody,
Actually my question is simple and in the title... I need to cross-correlate two vector so I'd liked to get this function to do it.
Thanks in advance,
Virginie

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Respuestas (2)

Matt J
Matt J el 15 de Mzo. de 2013
You need to buy the Signal Processing Toolbox.
  1 comentario
Matt J
Matt J el 15 de Mzo. de 2013
Editada: Matt J el 15 de Mzo. de 2013
conv(x(:),flipud(y(:)))
should be the same as xcorr(x,y) pretty much.

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Shashank Prasanna
Shashank Prasanna el 15 de Mzo. de 2013
Its fairly easy to implement, or you can definitely find something on FEX that will work for you:
http://www.mathworks.com/matlabcentral/fileexchange/index?utf8=%E2%9C%93&term=cross+correlation

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