/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 vote106 views1 answer
InsertionSort
Python
3 votes100 views2 answers
Python json check if key exist
Python
0 vote106 views1 answer
Adding number in set in python
Python
0 vote111 views1 answer
Change a color on touch roblox
Python
1 vote131 views1 answer
Python selenium get style
Python
3 votes65 views1 answer
Pylint no name in module cv2
Python
0 vote115 views1 answer
Putting in text in python
Python
-1 vote118 views2 answers
Numpy split to chunks of equal size
Python
3 votes112 views2 answers
Scikit learn lda
Python
0 vote110 views1 answer
Python make sound when finished
Python