插值（scipy.interpolate）
阿新 • • 發佈：2018-12-20
https://docs.scipy.org/doc/scipy/reference/interpolate.html#module-scipy.interpolate
https://stackoverflow.com/questions/31464345/fitting-a-closed-curve-to-a-set-of-points
包含樣條函式和類，一維和多維（單變數和多變數）插值類，拉格朗日和泰勒多項式插值器，以及FITPACK 和DFITPACK函式的封裝。
Univariate interpolation
scipy.interpolate.interp1d
class scipy.interpolate.interp1d（x，y，kind ='linear'，axis = -1，copy = True，bounds_error = None，fill_value = nan，assume_sorted = False ）
scipy.interpolate.BarycentricInterpolator
class scipy.interpolate.BarycentricInterpolator（xi，yi = None，axis = 0 ）
樣條：
scipy.interpolate.splprep
scipy.interpolate.splprep(x, w=None, u=None, ub=None, ue=None, k=3, task=0, s=None, t=None, full_output=0, nest=None, per=0, quiet=1)
Find the B-spline representation of an N-dimensional curve.
Given a list of N rank-1 arrays, x