Transfer function fit estimate
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I generated a transfer function based on some data using the tfest, and I obtained a 97% fit. But when plotted together to compare I obtain the following:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/581041/image.png)
Where the simulation line is the original data and TF_est is the estimated transfer function. To me that doesn't seem like a 97% fit, am I missing something?
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Accepted Answer
Star Strider
on 12 Apr 2021
I’m not certain exactly what you’re plotting. I always use the compare function to see how closely the estimated system matches the data used to characterise it.
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