https://docs.scipy.org/doc/scipy/reference/interpolate.html#module-scipy.interpolate https://stackoverflow.com/questions/31464345/fitting-a-closed-cur ...
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
包含樣條函數和類,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函數的封裝。
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, which represent a curve in N-dimensional space parametrized by u, find a smooth approximating spline curve g(u). Uses the FORTRAN routine parcur from FITPACK.