Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138
program is used to illustrate several qualitative features of chaotic behavior
in a non-linear third-order system: a) The properties of the system depend
strongly on the values assigned to the adjustable parameters; b) In the chaotic
domain, the trajectory of the system is very sensitive to the starting point,
which is the bad news, as it means long-range prediction is impossible; c)
Simple systems can display very complex behavior, which is the good news, as it
implies that irregular variables may be explainable by simple physics.