Strogatz's Dogs

Steven Strogatz proposed a pursuit problem with N dogs starting at the vertices of a regular N-gon. Dan Anderson made a beautiful processing investigation: And Mike Lawler had a good Family Math discussion over it: Then Simon Gregg in Scratch: #somanytools Once upon a time I tried to model a pursuit problem in GeoGebra, but couldn't. I thought I should try again. This only has four dogs, but you can arrange them as you want and vary their speeds.
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