On Fri, 13 Sep 2002 18:39:01 +0200, Christoph Hormann <chr### [at] gmxde>
wrote:
> No, they are mostly stuff with coincident occurence of those terms, i also
> tried searching various other things, but no success.

Could it be somehow related ?

http://mathworld.wolfram.com/SigmoidFunction.html
http://astronomy.swin.edu.au/~pbourke/analysis/sigmoid/

ABX

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