from numpy import linspace,exp
from numpy.random import randn
from scipy.interpolate import UnivariateSpline
import matplotlib.pyplot as plt
x=linspace(-3,3,100)
y=exp(-x **2)+randn(100)/10
s=UnivariateSpline(x, y, s=1)
xs=linspace(-3,3,1000)
ys=s(xs)
plt.plot(x, y)
plt.plot(xs, ys)
plt.show()
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