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Distinguishing random from chaotic data

  1. Apr 24, 2008 #1
    the random number we used in computer, can be accessed form some mathematical formula.

    and i heard that the chaotic data is just similar with random noise.

    if we just consider the data, one from compute, the other from some real process,can we distinguish it?

    thx for every reply!:smile:
  2. jcsd
  3. Apr 24, 2008 #2


    Staff: Mentor

    You should look into http://en.wikipedia.org/wiki/Cryptographically_secure_pseudorandom_number_generator" [Broken].
    Last edited by a moderator: May 3, 2017
  4. Apr 24, 2008 #3
    The phase space of a chaotic system is relatively low dimensional, while the phase space of truly random noise would be infinite dimensional.

    A practical algorithm to determine this is called False Nearest Neighbors.

    Last edited by a moderator: Apr 23, 2017
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