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| Sparse matrix multiplication using SQL |
Sparse matrix multiplication using SQL | Rohit Agarwal`s Notes
Monday, 1 July 2013
Sparse matrix multiplication using SQL
a and b are two sparse matrices. We want to perform a * b as shown below:
We can represent a sparse matrix in a relational database as a table matrix_name(row_num, col_num, value). Each non-zero cell in the matrix is represnted as a record (i, j, value) in the table.
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