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Csr_matrix to coo_matrix

Bill Jenkins answered on September 14, 2022 Popularity 3/10 Helpfulness 1/10

answer Csr_matrix to coo_matrix

Csr_matrix to coo_matrix

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In [11]: mtr
Out[11]: 
<3x3 sparse matrix of type '<class 'numpy.int64'>'
    with 6 stored elements in Compressed Sparse Row format>

In [12]: mtr.A
Out[12]: 
array([[1, 0, 2],
       [0, 0, 3],
       [4, 5, 6]], dtype=int64)

In [13]: c = mtr.tocoo()

In [14]: c.data
Out[14]: array([1, 2, 3, 4, 5, 6], dtype=int64)

In [15]: c.row
Out[15]: array([0, 0, 1, 2, 2, 2], dtype=int32)

In [16]: c.col
Out[16]: array([0, 2, 2, 0, 1, 2], dtype=int32)

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Source: stackoverflow.com

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