Python中的 numpy.fix()
numpy.fix()是一个数学函数,它将数组的元素四舍五入到最接近零的整数。舍入值作为浮点数返回。
Syntax : numpy.fix(a, b = None)
Parameters :
a : [array_like] Input array to be floated.
b : [ndarray, optional] Output array.
Return : The array of rounded numbers
代码#1:工作
# Python program explaining
# fix() function
import numpy as np
in_array = [.5, 1.5, 2.5, 3.5, 4.5, 10.1]
print ("Input array : \n", in_array)
fixoff_values = np.fix(in_array)
print ("\nRounded values : \n", fixoff_values)
in_array = [.53, 1.54, .71]
print ("\nInput array : \n", in_array)
fixoff_values = np.fix(in_array)
print ("\nRounded values : \n", fixoff_values)
in_array = [.5538, 1.33354, .71445]
print ("\nInput array : \n", in_array)
fixoff_values = np.fix(in_array)
print ("\nRounded values : \n", fixoff_values)
输出 :
Input array :
[0.5, 1.5, 2.5, 3.5, 4.5, 10.1]
Rounded values :
[ 0. 1. 2. 3. 4. 10.]
Input array :
[0.53, 1.54, 0.71]
Rounded values :
[ 0. 1. 0.]
Input array :
[0.5538, 1.33354, 0.71445]
Rounded values :
[ 0. 1. 0.]
代码 #2:工作
# Python program explaining
# fix() function
import numpy as np
in_array = [1, 4, 7, 9, 12]
print ("Input array : \n", in_array)
fixoff_values = np.fix(in_array)
print ("\nRounded values : \n", fixoff_values)
in_array = [133, 344, 437, 449, 12]
print ("\nInput array : \n", in_array)
fixoff_values = np.fix(in_array)
print ("\nRounded values upto 2: \n", fixoff_values)
in_array = [133, 344, 437, 449, 12]
print ("\nInput array : \n", in_array)
fixoff_values = np.fix(in_array)
print ("\nRounded values upto 3: \n", fixoff_values)
输出 :
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:
[ 133. 344. 437. 449. 12.]
Input array :
[133, 344, 437, 449, 12]
Rounded values upto 3:
[ 133. 344. 437. 449. 12.]
参考: https://docs.scipy.org/doc/numpy-dev/reference/generated/numpy.fix.html#numpy.fix
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