numpy.nextafter() in Python

numpy.nextafter(arr1, arr2, out = None, where = True, casting = ‘same_kind’, order = ‘K’, dtype = None) : This mathematical function helps user to return next floating-point value after arr1 towards arr2, element-wise.

Parameters :
arr1 : [array_like]Input array, values to find next value of.
arr2 : [array_like]Input array, values in which direction to look for.
out : [ndarray, optional]Output array with same dimensions as Input array, placed with result.
**kwargs : Allows you to pass keyword variable length of argument to a function. It is used when we want to handle named argument in a function.
where : [array_like, optional]True value means to calculate the universal functions(ufunc) at that position, False value means to leave the value in the output alone.

Return : next floating-point value of arr1 in the direcrion of arr2.

Code :





# Python program illustrating 
# nextafter() method 
import numpy as np 
arr1 = 3
arr2 = 4
print ("arr1 : ", arr1)
print ("arr2 : ", arr2)
print ("\nCheck sign of arr1 : ", np.nextafter(arr1, arr2))


Output :

arr1 :  3
arr2 :  4

Check sign of arr1 :  3.0000000000000004

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