Dynamical systems | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-10-05

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Dynamical_system


00:01:49 1 Overview
00:05:37 2 History
00:08:07 3 Basic definitions
00:09:00 3.1 Examples
00:11:07 3.2 Further examples
00:11:16 4 Linear dynamical systems
00:12:02 4.1 Flows
00:14:45 4.2 Maps
00:16:23 5 Local dynamics
00:16:46 5.1 Rectification
00:17:21 5.2 Near periodic orbits
00:18:21 5.3 Conjugation results
00:18:48 6 Bifurcation theory
00:19:53 7 Ergodic systems
00:21:18 7.1 Nonlinear dynamical systems and chaos
00:22:35 7.2 Geometrical definition
00:24:39 7.3 Measure theoretical definition
00:29:09 8 Examples of dynamical systems
00:30:58 9 Multidimensional generalization
00:32:22 10 See also
00:34:41 11 References
00:34:52 12 Further reading



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SUMMARY
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In mathematics, a dynamical system is a system in which a function describes the time dependence of a point in a geometrical space.  Examples include the mathematical models that describe the swinging of a clock pendulum, the flow of water in a pipe, and the number of fish each springtime in a lake.
At any given time, a dynamical system has a state given by a tuple of real numbers (a vector) that can be represented by a point in an appropriate state space (a geometrical manifold). The evolution rule of the dynamical system is a function that describes what future states follow from the current state.  Often the function is deterministic, that is, for a given time interval only one future state follows from the current state.  However, some systems are stochastic, in that random events also affect the evolution of the state variables.
In physics, a dynamical system is described as a "particle or ensemble of particles whose state varies over time and thus obeys differential equations involving time derivatives." In order to make a prediction about the system's future behavior, an analytical solution of such equations or their integration over time through computer simulation is realized.
The study of dynamical systems is the focus of dynamical systems theory, which has applications to a wide variety of fields such as mathematics, physics, biology, chemistry, engineering, economics, and medicine. Dynamical systems are a fundamental part of chaos theory, logistic map dynamics, bifurcation theory, the self-assembly and self-organization processes, and the edge of chaos concept.