摘要: import pandas as pd import numpy as np import matplotlib.pyplot as plt def sigmoid(x): # 定义网络激活函数 return 1/(1+np.exp(-x)) data_tr = pd.read_csv(r'E:\1 阅读全文
posted @ 2022-03-17 23:47 苒若 阅读(163) 评论(0) 推荐(0)