Lyapunov exponent

(redirected from Lyapunov exponen)

Lyapunov exponent

[li·pu̇′nȯf ik‚spō·nənt]
(physics)
One of a number of coefficients that describe the rates at which nearby trajectories in phase space converge or diverge, and that provide estimates of how long the behavior of a mechanical system is predictable before chaotic behavior sets in.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.