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

8 votes209 views6 answers
AttributeError: type object 'datetime.datetime' has no attribute 'datetime'
Python
1 vote196 views1 answer
Python how to change back to the later directory
Python
0 vote246 views3 answers
Sum range
Python
0 vote205 views1 answer
Define a function in python without arguments
Python
81 votes203 views6 answers
String to date python
Python
9 votes247 views3 answers
Get text between two strings python
Python
0 vote275 views1 answer
Num=operator.index(num) name 'num' is not defined
Python
1 vote234 views1 answer
Make a message appear after specified Time python
Python
0 vote258 views2 answers
Avoid bad request django
Python Django
2 votes219 views1 answer
How to set pyautogui at certain speed
Python