/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

1 vote278 views1 answer
How to restart loop python
Python
30 votes278 views3 answers
Python read scv
Python
1 vote254 views2 answers
Django timezone settings
Python
3 votes322 views2 answers
Python subprocess exception handling
Python
0 vote281 views1 answer
Import libraries to Jupyter notebook
Python
0 vote296 views1 answer
AttributeError: module 'django.db.models' has no attribute 'ArrayField'
Python Django
0 vote251 views1 answer
Bar Plot Seaborn with No Error Bars
Python
0 vote289 views1 answer
Identity matrix in python
Python
28 votes272 views3 answers
Python import could not be resolved
Python
0 vote249 views1 answer
Semaphore in python
Python