Simple exemple sur comment calculer et tracer une extrapolation avec python et matplotlib (source):
[image:extrapolate]
from scipy.interpolate import InterpolatedUnivariateSplineimport matplotlib.pyplot as pltimport numpy as npxi = np.array([0.2, 0.5, 0.7, 0.9])yi = np.array([0.3, -0.1, 0.2, 0.1])plt.figure()plt.scatter(xi, yi)x = np.linspace(0, 1.0, 50)for order in range(1, 4):s = InterpolatedUnivariateSpline(xi, yi, k=order)y = s(x)plt.plot(x, y)plt.title("Extrapolation simple avec python")plt.grid()plt.show()
Recherches associées
| Liens | Site |
|---|---|
| Extrapolation (mathématiques) | wikipedia |
| How to make scipy.interpolate give an extrapolated result beyond the input range? | stackoverflow |
| interpolate | doc scipy |
| Is there easy way in python to extrapolate data points to the future? | stackoverflow |
