Curve Fitting (No noise)

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Martín Menéndez
Martín Menéndez am 19 Apr. 2017
Beantwortet: Image Analyst am 19 Apr. 2017
I need to find the function that describes a dataset (x, y), the values do not have noise. Which commands do you recommend?
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Andrew Newell
Andrew Newell am 19 Apr. 2017
Depends what you mean by "describes"! If you want a curve that goes through all the points, interpolation would be best. If x and y are vectors, you could use interp1.

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Image Analyst
Image Analyst am 19 Apr. 2017
See my polyfit() demo, attached. It's one of many possible ways. Whether or not it will be best for your needs is known only by you, not us.

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