How to implement van der pol equation in Simulink – R2023a?

In this video it shows step by step approach to implement Van Der Pol Mathematical equation as Simulink Model. This demo can be used to design any mathematical equation as a Simulink model which can be used for simulating the results with various parameter values.

The Ven Der Pol equation is taken from below sciencedirect journal:

https://www.sciencedirect.com/topics/mathematics/van-der-pols-equation#:~:text=This%20indicates%20that%20the%20system,is%20Van%20der%20Pol’s%20equation.&text=%7B%20x%20%E2%80%B2%20%3D%20y%20%2C%20y,x%202%20)%20y%20%E2%88%92%20x%20.

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Other details:

Equation:
x ? = y
y ? = ? ( 1 ? x 2 ) y ? x

Initial conditions used:
x=2
y=0

Parameter Value:
? = 1

Design and Output: