prtools.dense#

dense(a, index)[source]#

Create a dense matrix from a sparse array

Parameters:
  • a (array_like) – Sparse array to be reformed as a dense matrix

  • index (index) – Corresponding index object

Returns:

Dense matrix

Return type:

ndarray

See also

  • sparse() Create a sparse array from a dense matrix

  • index() Create a sparse coordinate list (COO) index object