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nusco/gradient_multiple_variables.py

Created April 17, 2020 13:47
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From "Programming Machine Learning": gradient calculation with multiple input variables
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gradient_multiple_variables.py
# The gradient with multile input variables
def gradient(X, Y, w):
return 2 * np.matmul(X.T, (predict(X, w) - Y)) / X.shape[0]
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