[reactive] Status of Reactive "feedback" (recursive integral, etc)

[Peter Verswyvelen]

I'm all for it :) If we manage to make a 4th order Runge Kutta, then all the
others would be easy to make too if they ever would be needed.
On Wed, Dec 3, 2008 at 5:22 PM, Creighton Hogg <wchogg at gmail.com> wrote:

> 2008/12/3 Peter Verswyvelen <bugfact at gmail.com>:
> > Okay.
> > It would be nice to experiment with higher order integration techniques
> too.
> > Right now Reactive uses Euler integration but the user should be able to
> > choose between Euler, Midpoint, Simpson (or whatever other quadrature
> rule).
> > However, aren't we actually interested in approximating ordinary
> > differential equations (or more exactly, initial value problems), instead
> of
> > using integral directly? In which case we should choose between 1-th,
> 2nd,
> > or 4th order Runge Kutta or something?
> > I'm not an expert here, but it would be nice to think about this I guess.
>
> I think a 4th order Runge Kutta is something we'd want to have, maybe
> as part of a FRP.Reactive.Physics package?
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.haskell.org/pipermail/reactive/attachments/20081203/322c828a/attachment-0001.htm