Also known as Kolmogorov entropy, Kolmogorov-Sinai entropy, or KS entropy. The metric entropy is 0 for nonchaotic motion and for chaotic motion.
Metric Entropy
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References
Ott, E. Chaos in Dynamical Systems. New York: Cambridge University Press, p. 138, 1993.Referenced on Wolfram|Alpha
Metric EntropyCite this as:
Weisstein, Eric W. "Metric Entropy." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/MetricEntropy.html