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# scipy.interpolate.PPoly.from_spline

classmethod `PPoly.``from_spline`(tck, extrapolate=None)

  Construct a piecewise polynomial from a spline

  Parameters: | tck A spline, as returned by `splrep` extrapolate : bool, optional Whether to extrapolate to ouf-of-bounds points based on first and last intervals, or to return NaNs. Default: True.