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finished ex_47

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Daniel Knüttel 2019-01-23 16:47:12 +01:00
parent 6e725459fc
commit f7693ee0a4
1 changed files with 10 additions and 0 deletions
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ex_47.py
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@ -1,5 +1,6 @@
import numpy as np import numpy as np
from scipy.optimize import minimize from scipy.optimize import minimize
import matplotlib.pyplot as plt
f = lambda x: x*np.sin(7*x)*np.exp(-(x - 2)**2) f = lambda x: x*np.sin(7*x)*np.exp(-(x - 2)**2)
@ -7,3 +8,12 @@ x0 = f(np.arange(-20, 20, 0.1)).min()
m = minimize(f, x0, method="CG") m = minimize(f, x0, method="CG")
print(m) print(m)
g = lambda x0: minimize(f, x0, method="CG").x
x0s = np.arange(-3, 3, 0.001)
xs = [g(x0) for x0 in x0s]
plt.plot(x0s, xs)
plt.show()