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Python 中的 numpy.not_equal()

原文:https://www.geeksforgeeks.org/numpy-not_equal-python/

numpy.not_equal() 检查两个元素是否相等。 语法:

numpy.not_equal(x1, x2[, out])

参数:

x1, x2 : [array_like]Input Array whose elements we want to check
out    : [ndarray, optional]Output array that returns True/False.
    A placeholder the same shape as x1 to store the result.

返回:

Boolean array

代码 1 :

# Python Program illustrating
# numpy.not_equal() method

import numpy as geek 

a  = geek.not_equal([1., 2.], [1., 3.])
print("Not equal : \n", a, "\n")

b = geek.not_equal([1, 2], [[1, 3],[1, 4]])
print("Not equal : \n", b, "\n")

输出:

Not equal : 
 [False  True] 

Not equal : 
 [[False  True]
 [False  True]]

代码 2 :

# Python Program illustrating
# numpy.not_equal() method

import numpy as geek 

# Here we will compare Complex values with int
a = geek.array([0 + 1j, 2])
b = geek.array([1,2])

d  = geek.not_equal(a, b)
print("Comparing complex with int using .not_equal() : ", d)

输出:

Comparing complex with int using .not_equal() :  [ True False]

代码 3 :

# Python Program illustrating
# numpy.not_equal() method

import numpy as geek 

# Here we will compare Float with int values
a = geek.array([1.1, 1])
b = geek.array([1, 2])

d  = geek.not_equal(a, b)
print("\nComparing float with int using .not_equal() : ", d)

输出:

 Comparing float with int using .not_equal() :  [ True  True]

参考文献: https://docs . scipy . org/doc/numpy-dev/reference/generated/numpy . not _ equal . html

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