On Mon, 23 Mar 2009, Mathieu Bouchard wrote:
Here is another patch. I call it [mapping/variance2]. It computes a moving
variance using exactly the $1 last values and not any more than that. It has
more rounding error, but it doesn't have any unwanted delay between the two
moving averages used in computing variance.
Well actually, my [mapping/variance2] also doesn't have the same drift
characteristics (nor other error characteristics) as [mapping/variance],
so, my examples about [mapping/variance] don't drift when remade with
[mapping/variance2], but some other examples (that I didn't show) are
worse with [mapping/variance2].
_ _ __ ___ _____ ________ _____________ _____________________ ...
| Mathieu Bouchard - tél:+1.514.383.3801, Montréal, Québec
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