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How to download the "xcorr" inbuilt function

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Virginie 2013-3-15

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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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Matt J 2013-3-15

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https://ww2.mathworks.cn/matlabcentral/answers/67378-how-to-download-the-xcorr-inbuilt-function#answer_78790

You need to buy the Signal Processing Toolbox.

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Matt J 2013-3-15

编辑：Matt J 2013-3-15

在 MATLAB Online 中打开

conv(x(:),flipud(y(:)))

should be the same as xcorr(x,y) pretty much.

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Shashank Prasanna 2013-3-15

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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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Signal Processing Signal Processing Toolbox Transforms, Correlation, and Modeling Correlation and Convolution

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