Python中的 numpy.union1d()函数
numpy.union1d()
函数查找两个数组的并集,并返回两个输入数组中的任何一个中的唯一、排序的值数组。
Syntax : numpy.union1d(arr1, arr2)
Parameters :
arr1, arr2 : [array_like] Input arrays.
Return : [ndarray] Unique, sorted union of the input arrays.
代码#1:
# Python program explaining
# numpy.union1d() function
# importing numpy as geek
import numpy as geek
arr1 = [-1, 0, 1]
arr2 = [-2, 0, 2]
gfg = geek.union1d(arr1, arr2)
print (gfg)
输出 :
[-2 -1 0 1 2]
代码#2:
# Python program explaining
# numpy.union1d() function
# importing numpy as geek
import numpy as geek
arr1 = [-3, -2, -1, 0, 1, 2, 3]
arr2 = [-5, -4, -3, 0, 3, 4, 5]
gfg = geek.union1d(arr1, arr2)
print (gfg)
输出 :
[-5 -4 -3 -2 -1 0 1 2 3 4 5]