/Python/Get index of element in numpy array python

Get index of element in numpy array python

itemindex = numpy.where(array==item)

Source: stackoverflow.com

Numpy find index of matching values

import numpy as np
# init arrays
a = np.array([1,2,3,2,3,4,3,4,5,6])
b = np.array([7,2,10,2,7,4,9,4,9,8])

#using enumerate, list comprehension and set
print([key for key, val in enumerate(a) if val in set(b)])
# output
# [1, 3, 5, 7]

-2

Similar codes

0 vote181 views1 answer
Extract filename from path in Python
Python
1 vote154 views1 answer
Delimiter pandas
Python
0 vote171 views2 answers
Python web scraping project
Python
0 vote167 views1 answer
Newsapi in python
Python
0 vote165 views1 answer
Pandas print dataframe dtypes
Python
0 vote172 views1 answer
Funcions in python
Python
0 vote183 views1 answer
Current page django
Python
146 votes177 views6 answers
Os file exists
Python
0 vote169 views1 answer
Pandas corr get couple value
Python
0 vote159 views1 answer
Bs4 innerhtml
Python