Math 145 W99 Final, Wednesday Mar 17 1999 // NAME:
Closed book. No notes. 5 questions, 4 points each.
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1. Describe a static attractor in the context of a 1D flow.

2. Describe a separatrix (basin boundary) in the context of a 2D flow.

3. Describe a Poincare section in the context of a 2D flow.

4. Give an example of a subtle bifurcation in the context of a 2D flow OR a 1D iteration.

5. What is sensitive dependence on initial conditions, and in what contexts might you expect to find it?

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