Q:

Write a NumPy program to compute logarithm of the sum of exponentiations of the inputs, sum of exponentiations of the inputs in base-2

hamza
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2022-05-18
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Write a NumPy program to compute logarithm of the sum of exponentiations of the inputs, sum of exponentiations of the inputs in base-2.

Python programming,
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hamza
2022-05-18
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import numpy as np
l1 = np.log(1e-50)
l2 = np.log(2.5e-50)
print("Logarithm of the sum of exponentiations:")
print(np.logaddexp(l1, l2))
print("Logarithm of the sum of exponentiations of the inputs in base-2:")
print(np.logaddexp2(l1, l2))

Sample Output:

Logarithm of the sum of exponentiations:                               
-113.876491681                                                         
Logarithm of the sum of exponentiations of the inputs in base-2:       
-113.599555228

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