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scipy.sparse.coo_array.

# tobsr

coo_array.tobsr(blocksize=None, copy=False)

  Convert this array/matrix to Block Sparse Row format.

  Parameters:
    blocksize tuple of ints, optional

      When `blocksize=(R, C)` is provided, it will be used for construction of the bsr_array/matrix.

    copy bool, option

      With `copy=False`, the data/indices may be shared between this array/matrix and the resultant bsr_array/matrix.

  Returns:
    bsr array/matrix

      The converted array/matrix in BSR format.