Question
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 :)
Expert Answer
John Williams
PhD Expert
Answered Aug 24, 2026
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 Matlabsolutions 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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