Periodic and Chaotic Solutions to Chen System/Attractors

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SUMMARY

The discussion focuses on the Chen System, specifically analyzing the behavior of a particle's trajectory based on initial conditions and parameter values. When the parameters are set to a=40, b=5, and c=30, the trajectory exhibits chaotic behavior. Conversely, altering the parameter b to 10 while keeping a and c constant results in periodic solutions. The inquiry centers on the mathematical principles used to select these specific parameter values for the system.

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HansBu
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Homework Statement
I have a problem involving the new chaotic system dubbed as the Chen System. This involves a system of coupled nonlinear ordinary differential equations. My problem is to determine for which parameters a, b, and c would yield a periodic and chaotic solution.
Relevant Equations
The relevant equations are posted in the section below.
Here is the Chen System
reference.png


I am given the initial condition (t=0) that a particle lies on the xyz-plane at a point (-10,0,35). I was notified that if I plugged in a=40, b=5, and c=30, the trajectory of the particle will be chaotic. On the other hand, if I retained the values of a and c, and changing b to b = 10, periodic solutions will be obtained. My concern relies on how were these values picked. Is there any sort of mathematics (analytically) that was used here? I would appreciate any help that you would render. Below is the graph for the chaotic path of the particle.

reference 2.png
 
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HansBu said:
chaotic solution.
provide a definition please
 
One problem, two threads?
 

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