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

0 vote177 views1 answer
Numpy array [-1]
Python
5 votes180 views1 answer
Selenium webdriver imports
Python
0 vote205 views1 answer
Drop values in column with single frequency
Python
0 vote180 views1 answer
HTTP Error 403: Forbidden django using sendgrid
Python
0 vote174 views1 answer
405 status code django
Python
0 vote182 views1 answer
User registration
Python
0 vote180 views1 answer
Permcheck codility python
Python
0 vote198 views1 answer
Pandas dataframe froms string
Python
-1 vote182 views2 answers
Detect grayscale image in python opencv
Python
0 vote464 views2 answers
Idwt pywt
Python