MATLAB: How to load curve created with cftool in matlab script

cftoolcurve data

Hi everyone.I have created a curve using the cftool. I would like my matlab code to read the data from the curve since I do not know the equation that the data come from. Is there a specific command with which I can load the curve in my code and use the y-axis values for specific x-axis values?

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Thank you so much for your quick and to the point response.

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If you used fit:

p=fit(...) %your model
y=p(x) %evaluate your model at x

Similarily, if you used polyfit:

p=polyfit(...) %your model
y=polyval(p,x) %evaluate your model at x

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You could use the Curve Fitting App to interactively setup your curve fit. Once you are happy you can then generate MATLAB code so that you can repeat the analysis in the future from the command line.

https://uk.mathworks.com/help/curvefit/curvefitting-app.html

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