Question: The van der Pol equation is a model of an electronic circuit that arose back in the days of vacuum tubes: Given the initial conditions,

The van der Pol equation is a model of an electronic circuit that arose back in the days of vacuum tubes:

dy dt -(1- y) +y=0 dy dt

Given the initial conditions, y(0) = y′(0) = 1, solve this equation from t = 0 to 10 using Euler’s method with a step size of 

(a) 0.25 and 

(b) 0.125. Plot both solutions on the same graph.

dy dt -(1- y) +y=0 dy dt

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