File: interp_demo.py

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"""
===========
Interp Demo
===========

"""
import matplotlib.pyplot as plt
import numpy as np

x = np.linspace(0, 2 * np.pi, 20)
y = np.sin(x)
yp = None
xi = np.linspace(x[0], x[-1], 100)
yi = np.interp(xi, x, y, yp)

fig, ax = plt.subplots()
ax.plot(x, y, 'o', xi, yi, '.')
plt.show()