numpy.around() in Python
Last Updated :
08 Mar, 2024
numpy.around(arr, decimals = 0, out = None) : This mathematical function helps user to evenly round array elements to the given number of decimals.
Parameters :
array : [array_like] Input array.
decimal : [int, optional] Decimal places we want to round off.
Default = 0. In case of -ve decimal, it specifies the n0. of positions to the left of the decimal point.
out : [optional] Output resulted array
Return :
An array with all array elements being rounded off,
having same type as input
Code #1 : Working
import numpy as np
in_array = [. 5 , 1.5 , 2.5 , 3.5 , 4.5 , 10.1 ]
print ( "Input array : \n" , in_array)
round_off_values = np.around(in_array)
print ( "\nRounded values : \n" , round_off_values)
in_array = [. 53 , 1.54 , . 71 ]
print ( "\nInput array : \n" , in_array)
round_off_values = np.around(in_array)
print ( "\nRounded values : \n" , round_off_values)
in_array = [. 5538 , 1.33354 , . 71445 ]
print ( "\nInput array : \n" , in_array)
round_off_values = np.around(in_array, decimals = 3 )
print ( "\nRounded values : \n" , round_off_values)
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Output :
Input array :
[0.5, 1.5, 2.5, 3.5, 4.5, 10.1]
Rounded values :
[ 0. 2. 2. 4. 4. 10.]
Input array :
[0.53, 1.54, 0.71]
Rounded values :
[ 1. 2. 1.]
Input array :
[0.5538, 1.33354, 0.71445]
Rounded values :
[ 0.554 1.334 0.714]
Code 2 : Working
import numpy as np
in_array = [ 1 , 4 , 7 , 9 , 12 ]
print ( "Input array : \n" , in_array)
round_off_values = np.around(in_array)
print ( "\nRounded values : \n" , round_off_values)
in_array = [ 133 , 344 , 437 , 449 , 12 ]
print ( "\nInput array : \n" , in_array)
round_off_values = np.around(in_array, decimals = - 2 )
print ( "\nRounded values upto 2: \n" , round_off_values)
in_array = [ 133 , 344 , 437 , 449 , 12 ]
print ( "\nInput array : \n" , in_array)
round_off_values = np.around(in_array, decimals = - 3 )
print ( "\nRounded values upto 3: \n" , round_off_values)
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Output :
Input array :
[1, 4, 7, 9, 12]
Rounded values :
[ 1 4 7 9 12]
Input array :
[133, 344, 437, 449, 12]
Rounded values upto 2:
[100 300 400 400 0]
Input array :
[133, 344, 437, 449, 12]
Rounded values upto 3:
[0 0 0 0 0]
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