How can you get a mathmatical function from a simulink plot?
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For the graph added in the picture I need to have a mathmatical function. Can someone please give me the steps needed in order to archieve this?
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Andy Bartlett
on 10 Jun 2021
Finding a model or function is a very broad field.
Depending on the nature of the problem and requirements, many tools and techniques might fit the need.
Potential tools include MATLAB's polyfit, A\B or Curve Fitting Toolbox or System Identification Toolbox
Since your plot is coming from a Simulink model, I suggest you explore
Simulink Control Design's model linearizer which provides tools for getting a linear dynamic system model fit to a section of a Simulink model.
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