梯度下降法与随机梯度下降法的python代码实现

1 # -*- coding: cp936 -*- 2 import numpy as np 3 from scipy import stats 4 import matplotlib.pyplot as plt 5 6 7 # 构造训练数据 8 x = np.arange(0., 10., 0.2) 9 m = len(x)

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