Double pendulum

Double pendula are simple dynamical systems that can exhibit chaotic behavior. One of the characteristic features of chaos is the butterfly effect, which means the system is sensitive to the initial condition.

The above images are just animated gif files. Click the above buttons or this link to launch the real 2D interactive model, and this link to launch the real 3D interactive model. The following images are a few recorded trajectories with different initial conditions:

System requirements: You must have Java Version 5 or higher in order to run this program. Please go to java.com to get the latest Java software, if you are not sure.

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