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Re: [Patch, Fortran, Doc] Inverse hyperbolic functions


On Sun, Aug 08, 2010 at 08:40:59PM +0200, Toon Moene wrote:
> Janus Weil wrote:
> 
> >Hi Dominique,
> >
> >>I agree that "Inverse hyperbolic *" is better than "Hyperbolic arc*"
> >>(when I was taught hyperbolic functions and their inverses some 45 years
> >>ago, they were denoted ch, sh, and th and the inverses argch, argsh,
> >>and argth, I have no idea about the today fashion!-).
> >>
> >>However the inverse hyperbolic functions appear in many places and
> >>not in non-Euclidian geometry only, so I am not very fond
> >>(to say the least) of "hyperbolic area". Why not
> >>"computes the inverse @var{X} of the hyperbolic * (@code{*(X)})."
> >>(or any suitable translation from Frenglish to native English!).
> >
> >well, I'm starting to think that there may be regional differences in
> >the naming of the inverse hyperbolics (though I'm not sure about
> >this)?
> 
> Perhaps.
> 
> A lot of people were brought up with Abramowitz and Stegun, which I have 
> downloaded (it's claimed to be a work of the US Government - and hence 
> in the public domain) and is accessible as (among other places !):
> 
> http://moene.org/~toon/abramowitz_and_stegun/

 
FYI.

Are you aware of the new updated A&S?

http://dlmf.nist.gov/

-- 
Steve


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