The data points are from a single variable (usually x
starting from a random point on the attractor or in the chaotic
sea so that you will get a different time series each time you run
the program. For the continuous-time systems, h
interval between data samples. The chaotic systems are from
Appendix A of Chaos and Time-Series Analysis
by J. C.
Sprott (Oxford, 2003). See also my random number