Excersize

From Ivan Kirilenkov, 2 Months ago, written in Python, viewed 60 times.

URL http://codebin.org/view/c1419fb3 Embed

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import numpy as np
 
def func(x):
    return (x[0] + x[1] - 1)**2 + (x[0] - x[1] - 2)**2
 
def gradient(x):
    return np.array([4 * x[0] - 6, -6]) 
 
print(gradient(np.array([0, 0])))
print(gradient(np.array([0.5, 0.3])))

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