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Fitting to polynomialΒΆ

Plot noisy data and their polynomial fit

plot polyfit
import numpy as np

import matplotlib.pyplot as plt



rng = np.random.default_rng(27446968)



x = np.linspace(0, 1, 20)

y = np.cos(x) + 0.3 * rng.random(20)

p = np.poly1d(np.polyfit(x, y, 3))



t = np.linspace(0, 1, 200)

plt.plot(x, y, "o", t, p(t), "-")

plt.show()

Total running time of the script: (0 minutes 0.042 seconds)

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