MATLAB Answers

rational curve fitting function?

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Sierra Wang
Sierra Wang on 25 Feb 2020
Commented: Sierra Wang on 25 Feb 2020
I've been using the Matlab Curve Fitting Toolbox to do rational fittings of the form y = p1/(x+q1) and it's been working great. However, I'll be processing a large number of data sets and it will be very tedious and time-consuming to do the fitting for each set individually in the app and copy the result into the workspace. So I was wondering if there's any Matlab function that can do the similar rational fitting?

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darova
darova on 25 Feb 2020
Can you show your data?

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Accepted Answer

Steven Lord
Steven Lord on 25 Feb 2020
If they're all using the same type of fit, you could try fitting once interactively then generating code from the app and running that generated code with your subsequent data sets. Or you could start off setting up your fitoptions and creating your own fittype then call fit with each data set and your fittype. See this documentation page for a worked example.

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Sierra Wang
Sierra Wang on 25 Feb 2020
Thank you so much I didnt know the toolbox can generate code

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