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('C:/Us 阅读全文
posted @ 2022-03-18 17:53
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摘要：
import pandas as pdimport numpy as npimport 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('C:/User 阅读全文
posted @ 2022-03-18 17:43
_yesyes
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