by Bill <Bill@[EMAIL PROTECTED]
>
Jul 7, 2008 at 03:34 PM
Odysseus,
That is correct, I am after a Sigmoid shape. I didn't quite understand
your function, what is curt? Can your function be modified so that it
only accelerates at the intro or decelerates at the outro or both?
> I get the impression Bill is after a sigmoid shape: perhaps something
> like
>
> s = (9/20)(curt((t/5)-1) + 11/9)
>
> would be a reasonable approximation -- although the steeply rising
> ****tion in the middle may be more abrupt than desired. I believe a true
> sigmoid involves hyperbolic trig functions or the like, but a curve
> based on the inverse tangent function might also work. Anyway, the
> function above yields the following table of values:
>
> time scale
> 0 0.100
> 1 0.132
> 2 0.170
> 3 0.218
> 4 0.287
> 5 0.550
> 6 0.813
> 7 0.882
> 8 0.930
> 9 0.968
> 10 1.000
>