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"Duncan Adamson" <dja### [at] doc ic ac uk> wrote in message
news:3bb4754e$1@news.povray.org...
> Hang a rope from two points <0,1,0> and <1,1,0>
> The shape it makes is a caterary
>
> Rotate this shape around the x axis to get a catenoid
>(formula radius =
> (1/a)cosh(ax))
Is this the formula for a caterary or a catenoid? I'm looking for the formula
for a caterary.
Regards,
- Nekar
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