摘要: import numpy as np import matplotlib as mpl import matplotlib.pyplot as pltimport random #sigmoid函数定义def sigmoid(x): # print('sigmoid:',x,1.0 / (1+math.exp(-x))) return 1.0 / (1+ np.exp(-x))#模拟... 阅读全文
posted @ 2019-04-09 13:26 山…隹 阅读(1109) 评论(0) 推荐(0)