/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 vote101 views2 answers
How to create fibonacci sequence in python
Python
0 vote102 views1 answer
Make y axis start at 0 python
Python
1 vote98 views1 answer
Only try python
Python
1 vote98 views1 answer
Sftp python
Python
0 vote105 views1 answer
What are postcondition errors in python
Python
3 votes134 views5 answers
Euclid algorithm
Python
6 votes95 views1 answer
Change dataframe value by index
Python
4 votes94 views3 answers
Csv to json
Python
0 vote105 views1 answer
How to incorportate a different language in python code
Python
0 vote91 views1 answer
Python array remove new element
Python