From: sobin on
Consider p prime

R2<-->R2<-->Circle stereografic

(1,0)<-->(p,0)<-->(d,f) where p is the stereografical configuration of
p.
From: porky_pig_jr on
On Apr 11, 7:22 am, sobin <elcaminodelbudainter...(a)gmail.com> wrote:
> Consider p prime
>
> R2<-->R2<-->Circle stereografic
>
> (1,0)<-->(p,0)<-->(d,f) where p is the stereografical configuration of
> p.

me thinks Inverse 19 alogarithm is more efficient.