Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Prompt: In Python language, write a function that applies the logistic sigmoid function to all elements of a NumPy array.
Code:
import numpy as np
import math
import matplotlib.pyplot as plt
import pandas as pd
def sigmoid(inputArray):
modifiedArray = np.zeros(len(inputArray))
#YOUR CODE HERE:
return(modifiedArray)
def test():
inputs = np.arange(-100, 100, 0.5)
outputs = sigmoid(inputs)
plt.figure(1)
plt.plot(inputs)
plt.title('Input')
plt.xlabel('Index')
plt.ylabel('Value')
plt.show()
plt.figure(2)
plt.plot(outputs,'Black')
plt.title('Output')
plt.xlabel('Index')
plt.ylabel('Value')
plt.show()
test()
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