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triple_r wrote:
>> Finally, I'm not sure that your system is chaotic. For inverse-square
>> springs it's known as Euler's three-body problem and appears to have a
>> (rather complicated) analytic solution.
>
> I'm not sure that immediately disqualifies it. That's an interesting question
> though. Can a dynamical system with an analytical solution be chaotic?
> Certainly not without a series solution, but still. It's easy enough to come
> up with aperiodic functions that solve a deterministic, dynamic system (sin(x)
> + sin(pi x), for one), but I can't think of any ODE's with an analytical and
> chaotic solution.
Yeah, I wasn't sure either. On further investigation it looks like it
probably doesn't. I was able to find some references to chaotic
difference equations which had analytic solutions. I couldn't find
anything about ODEs though (at least not without wading through some
papers).
I'm now much more curious about whether or not the system is indeed
chaotic. If I get enough time to actually digest them, maybe I'll take
a deeper look at the analytic solution and see if I can figure out
what's going on there.
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