/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 vote109 views3 answers
Selenium python login instagram
Python
0 vote119 views1 answer
Converting 4hr 20min to minutes
Python
1 vote77 views1 answer
Django admin slug auto populate
Python
0 vote110 views1 answer
Python get name of vlue
Python
54 votes117 views5 answers
Sort dict by value python 3
Python
0 vote114 views1 answer
Python count distinct letters
Python
0 vote127 views1 answer
How to save the history of keras model
Python
5 votes139 views2 answers
Jupyter notebook to python script
Python
0 vote110 views1 answer
Dict to csv keys as rows and subkey as columns in python
Python
0 vote105 views1 answer
How to change array of arrays to simpe array
Python