[Numpy-discussion] Definition of correlation, correlate and so on ?

David Cournapeau david at ar.media.kyoto-u.ac.jp
Tue Dec 12 21:19:20 CST 2006

Tim Hochberg wrote:
> So rather than "fixing" the function, I would first propose introducing 
> a function with a more descriptive name and docstring , for example you 
> could steal the name 'xcorr' from matlab. Then if in fact the behavior 
> of correlate is deemed to be an error, deprecate it and start issuing a 
> warning in the next point release, then remove it in the next major release.
That was my idea too: specifiy in the docstring that this does not 
compute the correlation, and put a new function xcorr (or whatever 
name). The good news being this function is already done for rank up to 
2, with basic tests... :)
> Even better, IMO,  would be if someone who cares about this stuff pulls 
> together all the related signal processing stuff and moves them to a 
> submodule so we could actually find what signal processing primitives 
> are available. At the same time, more informative docstrings would be a 
> great.
Do you mean signal function in numpy or scipy ? For scipy, this is 
already done (module scipy.signals),


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