expression for autocorrelation using 'xcorr' with 'coeff' in MATLAB ?

Can someone tell me what is the expression used in MATLAB for finding autocorrelation using xcorr with 'coeff' ? I would like to know this for interpreting the results.

Answer 1

[the cyclist]

You should be able to type

edit xcorr

to open the file and trace through the formula it uses.

Also the documentation for xcorr cites this reference:

[1] Orfanidis, S. J. Optimum Signal Processing: An Introduction. 2nd Edition. Englewood Cliffs, NJ: Prentice Hall, 1996.