Significantly different between two nonlinear functions
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Is there any way to find out significantly different between two nonlinear functions?
I have these 2 models for the best fit:
y1 = a1/(b1+x) (blue) and y2 = a2/(b2+x) (red)
Mayby I can log the functions and make it linear and check if the e.g angle are > 0?
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/347724/image.jpeg)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/347814/image.jpeg)
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Antworten (1)
Alan Stevens
am 18 Aug. 2020
Or you could linearise by simply inverting and plotting 1/y1 against x1, and 1/y2 against x2.
5 Kommentare
Alan Stevens
am 18 Aug. 2020
Find the errors on the slopes and intercepts. Use them to estimate if the lines are the same to within the errors or not.
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