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16 KiB
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In [1]:
import numpy as np
import pandas as pd
x = np.arange(-4,4)
def sigmoid(x):
e = np.exp(-x)
return np.divide(1,e + e)
df = pd.DataFrame({"x":x,"tanh":np.tanh(x),"sigmoid":sigmoid( np.tanh(x))})
In [10]:
df[['tanh','sigmoid']].plot()
Out[10]:
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