Numpy isneginf() function is used to test if an element negative infinity or not. The isneginf() function contains two parameters, out of which one is optional. We can pass arrays also to check whether the elements present in the array belong to -ve infinity class or not. If it is not -ve infinity, then the method returns False otherwise True. So, the function returns Boolean values.

The isneginf() function is defined under a numpy library that can be imported as import numpy as np, and we can create the multidimensional arrays and derive other mathematical statistics functions with the help of numpy library.

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Numpy isneginf() Example in Python
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