/Python/How to convert a dense matrix into sparse matrix in python

How to convert a dense matrix into sparse matrix in python

# dense to sparse
from numpy import array
from scipy.sparse import csr_matrix
# create dense matrix
A = array([[1, 0, 0, 1, 0, 0], [0, 0, 2, 0, 0, 1], [0, 0, 0, 2, 0, 0]])
print(A)
# convert to sparse matrix (CSR method)
S = csr_matrix(A)
print(S)
# reconstruct dense matrix
B = S.todense()
print(B)

Similar codes

-2 votes282 views3 answers
Python i++
Python
0 vote278 views1 answer
Récupérer texte d'une image python
Python
1 vote296 views1 answer
String print in pattern in python
Python
-6 votes278 views1 answer
Download any file from link colab
Python
0 vote300 views1 answer
How to draw play area for a game in python turtle
Python
42 votes280 views6 answers
Python comment
Python
1 vote317 views2 answers
How to use screen in ubuntu
Python
7 votes279 views1 answer
Pandas two conditions filter
Python
8 votes295 views2 answers
Python kivy
Python
6 votes289 views4 answers
* pattern program in python
Python