Fascinating. The curves
3*x^2-2*x^3
and
0.5*(1-cos(x*pi))
practically lie on top of each other and have the same derivative. I guess
that the sines are expressable as infinite series, but it's funny how it
worked out.
"Remco de Korte" <rem### [at] onwijs com> wrote in message
news:3EA7D90C.51376DFA@onwijs.com...
>
> Interesting. Is this the prescribed formula? I'll take your word for it,
> but otherwise it might be interesting to experiment a bit with some
> alternatives. I guess I would have immediately come up with some
> sine-wave-thingie (as always).
>
> Remco
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