Re: Recursion
- To: mathgroup at smc.vnet.net
- Subject: [mg62308] Re: Recursion
- From: Peter Pein <petsie at dordos.net>
- Date: Sat, 19 Nov 2005 23:18:34 -0500 (EST)
- References: <dln0s1$ga7$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
JikaiRF at aol.com schrieb: > Dear Sirs, > > I would like to obtain trajectories with respect to x, from the following > relationship: > > > > x(t+1)=a x(t)(1-x(t)) > > > > Here, a means a constant with a constraint, 1 < a < 4, t a positive integer > and x a variable. > I know this difference equation cannot be solved by mathematics directly, > because it is not linear. > So, I would like to follow a numerical series in terms of x, and I need to > know how to program Mathematica for this. > > I look forward to your response. > > > > Sincerely, > > Fujio Takata. > Hi, you might want to take a look at http://mathworld.wolfram.com/LogisticMap.html and http://library.wolfram.com/search/?q=logistic&sitesearch=library.wolfram.com%2Finfocenter&x=9&y=15 especially http://library.wolfram.com/infocenter/MathSource/579/ Have fun, Peter