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Sparse Matrix Functions (version
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What it does

This tool stacks sparse matrices horizontally (column wise) or vertically (row wise). It can handle two different formats:

  • Compressed Sparse Column matrix (csc_matrix)
  • Compressed Sparse Row matrix (csr_matrix)

Sparse matrices in column format should be stacked horizontally (hstack) , while matrices in row format are stacked vertically (vstack). This tool outputs a single resulting sparse matrix which is compatible with the inputs in format.

Parameters: blocks sequence of sparse matrices with compatible shapes format.

For more information please refer to DOI:10.1109/MCSE.2011.37.