/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

0 vote203 views1 answer
Json database python
Python
7 votes217 views2 answers
Cv2 load image
Python
-1 vote220 views1 answer
Kick member discord py
Python
5 votes276 views1 answer
How to get all links from a website python beautifulsoup
Python
2 votes237 views1 answer
Grams in kg
Python
2 votes237 views1 answer
Distance matrix in python
Python
0 vote192 views10 answers
Python generator cheat sheet download
Python
0 vote226 views2 answers
How to round to 3 significant figures in python
Python
8 votes192 views3 answers
Python csv add row
Python
4 votes215 views2 answers
Tqdm auto
Python