M.L code(p.53)
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# p51 ~ p59 import numpy as np import matplotlib.pyplot as plt def AND(x1,x2): x = np.array([x1,x2]) w = np.array([0.5,0.5]) b = -0.7 tmp = np.sum(w*x) + b if tmp <= 0: return 0 elif tmp > 0: return 1 def NAND(x1,x2): x = np.array([x1,x2]) w = np.array([-0.5,-0.5]) b = 0.7 tmp = np.sum(w*x) + b if tmp <= 0: return 0 elif tmp > 0: return 1 def OR(x1,x2): x = np.array([x1,x2]) w = np.array([0.5,0.5]) b = -0.3 tmp = np.sum(w*x) + b if tmp <= 0: return 0 elif tmp > 0: return 1 def XOR(x1,x2): s1 = NAND(x1,x2) s2 = OR(x1,x2) y = AND(s1,s2) return y print(XOR(0,0)) print(XOR(1,0)) print(XOR(0,1)) print(XOR(1,1)) |
단층 퍼셉트론과 다층 퍼셉트론 (XOR 연산자)
