/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

5 votes310 views3 answers
Convert json to csv
Python
10 votes289 views2 answers
Python screen click
Python
0 vote306 views1 answer
Writing Bytes to a File in python
Python
0 vote294 views1 answer
How to add import pydictionary in python
Python
-1 vote298 views1 answer
How to use visualize_runtimes
Python
1 vote277 views2 answers
How to print 0 to 10 in python
Python
0 vote310 views1 answer
Python slice second element of list of lists
Python
0 vote300 views3 answers
Python show png
Python
5 votes274 views1 answer
Python - convert index to a column
Python
0 vote282 views1 answer
Pandas groupby histogram
Python