Mak a scipy csr sparse matrix

row = np.array([0, 0, 1, 2, 2, 2])
>>> col = np.array([0, 2, 2, 0, 1, 2])
>>> data = np.array([1, 2, 3, 4, 5, 6])
>>> csr_matrix((data, (row, col)), shape=(3, 3)).toarray()
array([[1, 0, 2],
       [0, 0, 3],
       [4, 5, 6]])

Source: docs.scipy.org

Similar codes

4 votes236 views2 answers
Flask arguments in url
Python Flask
1 vote219 views1 answer
No module named 'filterpy'
Python
0 vote205 views1 answer
Dask scikit learn
Python
1 vote211 views1 answer
Shutil move overwrite
Python
55 votes279 views5 answers
Python parse date
Python
0 vote207 views1 answer
Blender Python perspective camaera
Python
10 votes209 views1 answer
Is not none python
Python
0 vote217 views1 answer
Turn of warning iin python
Python
15 votes207 views6 answers
Python sqlite3
Python
0 vote222 views1 answer
Python zip folder and subfolders
Python