I Interpolated some oscillating data points using ListLinePlot[] , and set the InterpolatingOrder->10 . This gives a nice plot that fits my results very well. However, I am curious what the Interpolating Method is? I did not specify any Method . What is the default method when interpolating ListLinePlot[] ?

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    $\begingroup$ From the documentation of InterpolationOrder: "InterpolationOrder -> n specifies that polynomials of degree $n$ should be fitted between data points." $\endgroup$
    – MarcoB
    Jan 8 at 18:23
  • $\begingroup$ yes but my question is what method does the ListLinePlot use in doing the interpolation? $\endgroup$
    – 이말러
    Jan 8 at 18:53
  • $\begingroup$ It's using a piecewise polynomial interpolation like what Interpolation[] uses. $\endgroup$
    – J. M.'s torpor
    Jan 8 at 22:23
  • $\begingroup$ Is it Spline or Hermite specifically? Or does Mathematica decide on it's own the optimal method? Sorry if this is an elementary question, I'm still learning this program.. $\endgroup$
    – 이말러
    Jan 9 at 3:04

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