2019-01-23 14:27:28 +00:00
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import numpy as np
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from scipy.optimize import minimize
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2019-01-23 15:47:12 +00:00
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import matplotlib.pyplot as plt
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2019-01-23 14:27:28 +00:00
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f = lambda x: x*np.sin(7*x)*np.exp(-(x - 2)**2)
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x0 = f(np.arange(-20, 20, 0.1)).min()
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m = minimize(f, x0, method="CG")
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print(m)
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2019-01-23 15:47:12 +00:00
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g = lambda x0: minimize(f, x0, method="CG").x
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x0s = np.arange(-3, 3, 0.001)
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xs = [g(x0) for x0 in x0s]
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plt.plot(x0s, xs)
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plt.show()
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