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numpy 字符串运算| less_equal()函数

原文:https://www . geesforgeks . org/numpy-string-operations-less _ equal-function/

numpy.core.defchararray.less_equal(arr1, arr2)是 numpy 中做字符串运算的另一个函数。如果arr1的元素小于或等于arr2的元素,即arr1 <= arr2 ,则逐个检查两个相同形状的字符串数组的元素,并返回。否则,返回

参数: arr1 : 字符串或 unicode.1st 输入数组的 array_like。 arr2 : 字符串或 unicode 的 array _ like . 2nd 输入数组。

返回:【ndarray】bool 的输出数组,如果 arr1 和 arr2 是标量,则返回单个 bool。

代码#1 :

# Python program explaining
# numpy.char.less_equal() method 

# importing numpy 
import numpy as geek

# input arrays  
in_arr1 = geek.array('numpy')
print ("1st Input array : ", in_arr1)
in_arr2 = geek.array('nump')
print ("2nd Input array : ", in_arr2)  

# checking if in_arr1 <= in_arr2
out_arr = geek.char.less_equal(in_arr1, in_arr2)
print ("Output array: ", out_arr) 

Output:

1st Input array :  numpy
2nd Input array :  nump
Output array:  False

代码#2 :

# Python program explaining
# numpy.char.less_equal() method 

# importing numpy 
import numpy as geek

# input arrays  
in_arr1 = geek.array(['Geeks', 'for', 'Geek', 'Numpy'])
print ("1st Input array : ", in_arr1) 
in_arr2 = geek.array(['Geek', 'for', 'Geek', 'numpy'])
print ("2nd Input array : ", in_arr2) 

# checking if in_arr1 <= in_arr2
out_arr = geek.char.less_equal(in_arr1, in_arr2)
print ("Output array: ", out_arr) 

Output:

1st Input array :  ['Geeks' 'for' 'Geek' 'Numpy']
2nd Input array :  ['Geek' 'for' 'Geek' 'numpy']
Output array:  [False  True  True  True]

代码#3 :

# Python program explaining
# numpy.char.less_equal() method 

# importing numpy 
import numpy as geek

# input arrays  
in_arr1 = geek.array(['10', '11', '122', '15'])
print ("1st Input array : ", in_arr1) 
in_arr2 = geek.array(['10', '13', '121', '141'])
print ("2nd Input array : ", in_arr2) 

# checking if in_arr1 <= in_arr2
out_arr = geek.char.less_equal(in_arr1, in_arr2)
print ("Output array: ", out_arr) 

Output:

1st Input array :  ['10' '11' '122' '15']
2nd Input array :  ['10' '13' '121' '141']
Output array:  [ True  True False False]



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