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Python numpy.rint()用法及代碼示例

numpy.rint(x [,out])= ufunc'rint'):此數學函數將數組的元素四舍五入到最接近的整數。

參數:
array :[array_like] Input array.

Return : An array with all array elements being rounded off, having same type and shape as input.




代碼1:工作

# Python program explaining 
# rint() function 
import numpy as np 
  
in_array = [.5, 1.5, 2.5, 3.5, 4.5, 10.1] 
print ("Input array:\n", in_array) 
  
rintoff_values = np.rint(in_array) 
print ("\nRounded values:\n", rintoff_values) 
  
  
in_array = [.53, 1.54, .71] 
print ("\nInput array:\n", in_array) 
  
rintoff_values = np.rint(in_array) 
print ("\nRounded values:\n", rintoff_values) 
  
in_array = [.5538, 1.33354, .71445] 
print ("\nInput array:\n", in_array) 
  
rintoff_values = np.rint(in_array) 
print ("\nRounded values:\n", rintoff_values)
輸出:
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:
 [ 1.  1.  1.]

代碼2:工作

# Python program explaining 
# rint() function 
import numpy as np 
  
in_array = [1 ,4, 7, 9, 12] 
print ("Input array:\n", in_array) 
  
rintoff_values = np.rint(in_array) 
print ("\nRounded values:\n", rintoff_values) 
  
in_array = [133 ,344, 437, 449, 12] 
print ("\nInput array:\n", in_array) 
  
rintoff_values = np.rint(in_array) 
print ("\nRounded values upto 2:\n", rintoff_values) 
  
in_array = [133 ,344, 437, 449, 12] 
print ("\nInput array:\n", in_array) 
  
rintoff_values = np.rint(in_array) 
print ("\nRounded values upto 3:\n", rintoff_values)
輸出:
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.]


參考文獻: https://docs.scipy.org/doc/numpy-dev/reference/generated/numpy.rint.html#numpy.rint



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注:本文由純淨天空篩選整理自Mohit Gupta_OMG 大神的英文原創作品 numpy.rint() in Python。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。