Article View: sci.math.num-analysis
Article #791``Generalised Power Function'' question
From: Ajay Shah
Date: Mon, 22 Apr 1991 21:19
Date: Mon, 22 Apr 1991 21:19
32 lines
1470 bytes
1470 bytes
I need to analyse the dynamics of this system:
f(x) = c * ((x - b_1)^a_1) * ((b_2 - x)^a_2)
The parameters are supposed to be restricted to the ranges:
c > 0
a_1, a_2 > -1
0 < b_1 < b_2
I can't seem to find sensible parameter values which lead to
function values which don't blow up. I start at x_0 = 0.25 (say)
and chug the function through a loop like this:
x := x_0;
for i = 1 to 1000 do
x := f(x);
After this, I draw pictures of various things. Trouble is: with
this system, all the parameter values I've tried lead to the
system blowing up before a thousand iterations in this loop.
Thanks,
-ans.
--
_______________________________________________________________________________
Ajay Shah, (213)734-3930, ajayshah@usc.edu
The more things change, the more they stay insane.
_______________________________________________________________________________
Technical Details
Message-ID:
<32169@usc>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!usc!alhena.usc.edu!ajayshahShow Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!usc!alhena.usc.edu!ajayshah From: ajayshah@alhena.usc.edu (Ajay Shah) Newsgroups: sci.math.num-analysis,comp.theory.dynamic-sys,sci.math Subject: ``Generalised Power Function'' question Message-ID: <32169@usc> Date: 22 Apr 91 21:19:45 GMT Sender: news@usc Followup-To: sci.math.num-analysis Organization: University of Southern California, Los Angeles, CA Lines: 32 Nntp-Posting-Host: alhena.usc.edu Originator: ajayshah@alhena.usc.edu