What does vdp stand for? (Mathworks Example Simulation Model)

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Tobias Held
Tobias Held 2021-6-15
编辑： Ritvik Garg 2021-6-15
I was wondering why the models in the Mathwork Help Center are always called vdp.
This is pure curiosity and a little bit insecurity if I should use the same variable :)

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Steven Lord
Steven Lord 2021-6-15
The vdp model is a simulation of the Van der Pol oscillator differential equation. It's a fairly simple model to create which is one of the reasons I believe it's used in so many examples in the documentation. It is also fairly simple to create as a MATLAB function, as shown in the vdp1 example file included in MATLAB.

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Ritvik Garg
Ritvik Garg 2021-6-15
编辑：Ritvik Garg 2021-6-15
Van der Pol equation : The mathematical model for the system is a well known second order ordinary differential equation with cubic nonlinearity. You'll find this model used in many examples in MathWorks Documentation.
Also, to open the VDP-Simulink, run the below command by entering it in the MATLAB Command Window.
open_system(docpath(fullfile(docroot,'toolbox','simulink','examples','vdp')))
Note : Web browsers do not support MATLAB commands.
You can use 'vdp' as variable name because this is a model name, and not any function name.

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