little math puzzle. Map 1 0 -1 to 1 0.5 0

[Gerson W. Barbosa]

(05-21-2018 04:31 PM)Dieter Wrote:  For three points it can always be done with a parabolic fit. But maybe there also is another and shorter/faster way to do it. ;-)

What about

5 -> 2
2 -> 1
1 -> 0

A longer and slower way here. :-)

Gerson.