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《统计学习方法》-感知机-例2.1
import numpy as npx = np.array([[3,3],[4,3],[1,1]]) #[[3,3],[4,3],[1,1]]y = np.array([1,1,-1])w0 = np.array([0,0])b0 = 0lr = 1loss = 0print(w0,b0)i = 0count = 0 while True: count...原创 2019-05-22 08:44:32 · 664 阅读 · 0 评论 -
《统计学习方法》-感知机-例2.2
import numpy as npx = np.array([[3,3],[4,3],[1,1]])y = np.array([1,1,-1])alfa = np.zeros(3)alfaarray([0., 0., 0.])w = np.array([0.,0.])b = 0lr = 1# for i in range(len(y)):# w += alf...原创 2019-05-22 09:54:22 · 440 阅读 · 0 评论