"""
SciPy Beispiel 1D Interpolation
"""

import numpy as np

from scipy.interpolate import interp1d

# xy Punktwerte z.B Messwerte 
x = np.linspace(0, 10, num=11, endpoint=True)
y = np.array( [ 1.,0.99,0.90,0.54,-0.21,-0.93,-0.65,0.67,0.68,-0.91,0.12] )

print(y)

# Interpolation
f = interp1d(x, y)
f2 = interp1d(x, y, kind='cubic')

# Ausgabe 
xnew = np.linspace(0, 10, num=41, endpoint=True)
import matplotlib.pyplot as plt
plt.plot(x, y, 'o', xnew, f(xnew), '-', xnew, f2(xnew), '--')
plt.legend(['Messdaten', 'Linear', 'Kubisch'], loc='best')
plt.show()