Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
Drexel University or The Math Forum.
|
|
|
|
Re: Chaos Theory Question
Posted:
Jan 23, 2013 11:25 PM
|
|
On Sunday, January 20, 2013 10:38:40 AM UTC-6, David C. Ullrich wrote:
> On Sun, 20 Jan 2013 16:19:55 +0000, Frederick Williams
>
> <freddywilliams@btinternet.com> wrote:
>
>
>
> >Ludovicus wrote:
>
> >>
>
> >> El sábado, 19 de enero de 2013 08:19:39 UTC-4:30, Bob escribió:
>
> >> > Hello,
>
> >> >
>
> >> >
>
> >> >
>
> >> > Have started reading about Chaos theory.
>
> >> >
>
> >> > Sure is a very interesting concept.
>
> >> >
>
> >> >
>
> >> >
>
> >> > I would like to ask this question, please, for anyone who understands
>
> >> >
>
> >> > Chaos theory:
>
> >> >
>
> >> >
>
> >> >
>
> >> > Is it a requirement for a system to become (at some point), or exhibit,
>
> >> >
>
> >> > chaotic behavior for there to be "feedback" ?
>
> >> >
>
> >> >
>
> >> >
>
> >> > If so, positive, negative, either ?
>
> >> >
>
> >> >
>
> >> >
>
> >> > Thanks,
>
> >> >
>
> >> > Bob
>
> >>
>
> >> Yes.
>
> >> A sort of feedback.
>
> >> Example. The primes are chaotic because they are built by an algorithm determinist but its development is imprevisible.
>
> >> Its construction by the Eratosthenes Sieve is based in a sort of feedback
>
> >> because the produced primes affects the next primes to be produced.
>
> >> Ludovicus
>
> >
>
> >I have a few questions about this question:
>
> >
>
> >(1) What is chaos in the mathematical sense?
>
> >(2) What is a system (in the OP's sense)?
>
> >(3) Supposing that Q2 has a satisfactory answer, what does it mean for
>
> >(such a) system to have feedback?
>
> >
>
> >I know nothing about the matter, but it seems to me that one can have
>
> >chaos (in the mathematical sense) in contexts where 'feedback' has no
>
> >meaning.
>
>
>
> More directly relevant to the OP, you can certainly have "feedback"
>
> without "chaos".
Of course. Our cattle trough filling system has feedback without chaos.
|
|
|
|
