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![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Attracteur_%C3%A9trange_de_Lorenz.png/360px-Attracteur_%C3%A9trange_de_Lorenz.png)
Credit: Rogilbert
The Lorenz attractor, named for Edward N. Lorenz, is a 3-dimensional structure corresponding to the long-term behavior of a chaotic flow, noted for its butterfly shape. The map shows how the state of a dynamical system (the three variables of a three-dimensional system) evolves over time in a complex, non-repeating pattern.
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