Error of minimum of a parabola auto fitted
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Hi, this is more a statistic question. I have to find the minimum of a complex distribuition. So I decided to select the values close to the minimum (evaulueted by myself) and do an automatic fitting of a parabola trough the 2 points before and the 2 after the point of minimum. Then I found the minimum by the formula
of the equation
.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/830065/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/830070/image.png)
The problem is that I dont know what error best fit the result. The fitting box gave me some parameters of the goodness of the fit but I don't know how to enterpretate them...
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