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Answer by hpaulj for Accessing elements in coo_matrix
To expand on converting a coo matrix to csr to index, here are some timings for a small sparse matrix Make the matrix In [158]: M=sparse.coo_matrix([[0,1,2,0,0],[0,0,0,1,0],[0,1,0,0,0]]) In [159]:...
View ArticleAnswer by ev-br for Accessing elements in coo_matrix
From the docs for coo_matrix: | Intended Usage | - COO is a fast format for constructing sparse matrices | - Once a matrix has been constructed, convert to CSR or | CSC format for fast arithmetic and...
View ArticleAccessing elements in coo_matrix
This is a very simple question. For SciPy sparse matrices like coo_matrix, how does one access individual elements? To give an analogy to Eigen linear algebra library. One can access element (i,j)...
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