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I once came across a Wikipedia page describing a system where

  1. Jun 29, 2011 #1
    I once came across a Wikipedia page describing a system where indifferent of the initial starting position, at some final time t=T the system would always reach the same equilibrium position.

    Does anyone know what the name of such a system is?

    I recall there was an animation of 4 balls each starting at different heights on the same ramp at t=0 and at t=T the balls were always at the same height on the ramp.
  2. jcsd
  3. Jun 30, 2011 #2


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    Hi Apteronotus! :smile:

    I think that's an attractor …

    see http://en.wikipedia.org/wiki/Attractor" [Broken] :wink:
    Last edited by a moderator: May 5, 2017
  4. Jun 30, 2011 #3
    Re: Definition

    It would have to be an attractor with some kind of damping, otherwise you would get oscillatory motion around the equilibrium point. You could also call it a potential minimum
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