[PYTHON MATRIX-SIG] autocorrelation functions?

[Konrad Hinsen]

> What's a smart (read efficient, and possibly neat) way of doing
> autocorrelation in NumPython?  I'm looking for both 1D and 2D with

The standard procedure using FFTs should be efficient in NumPython
(although of course I didn't try it). Both the FFTs and the
multiplication are handled in C code.

> a city-block metric to start with (a cartesian metric would be good
> too, but I suspect that's harder to optimize).

Sorry, I don't know what all that means :-(

Konrad.
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Konrad Hinsen                          | E-Mail: hinsen@ibs.ibs.fr
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