/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

25 votes127 views5 answers
Pandas show all dataframe
Python
0 vote125 views1 answer
Shutil copy file python
Python
6 votes83 views3 answers
Python timestamp
Python
3 votes158 views1 answer
Django import model from another app
Python Django
0 vote152 views2 answers
Get current scene file name godot
Python
0 vote120 views1 answer
Int and text on same line python
Python
2 votes68 views3 answers
Typeerror: 'list' object is not callable
Python
0 vote118 views1 answer
Python matplotlib pyplot set axis equals
Python
0 vote122 views1 answer
Update dataframe based on value from another dataframe
Python
4 votes133 views1 answer
Re python3
Python