Question: Van der Pol's equation is a nonlinear model for some oscillatory processes. It is y-b(1 - y 2 ) y + y = 0 Use

Van der Pol's equation is a nonlinear model for some oscillatory processes. It is

ÿ-b(1 - y2) ẏ + y = 0

Use a numerical method to solve for and plot the solution for the following cases:

1. b = 0.1,y(0) = ẏ (0) = 1,0 ≤ f ≤ 25

2. b = 0.1,y(0) = ẏ (0) = 3,0 ≤ t ≤ 25

3. b = 3,y(0) = ẏ (0) = 1,0 ≤ t ≤ 25 

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