code: def dot(self, other, sparse=True):
      other_shape = other.shape
      try:
          other = naked(other)
      except TypeError:
          return NotImplemented
  
      if sparse:
          if len(other_shape) == 1:
              x = self.spmatrix.dot(other.T)
          else:
              x = self.spmatrix.dot(other)
      else:
          a = self.spmatrix.toarray()
          if issparse(other):
              other = other.toarray().reshape(other_shape)
          x = a.dot(other)
      if issparse(x):
          shape = (x.shape[0],) if len(other_shape) == 1 else x.shape
          return SparseNDArray(x, shape=shape)
      return get_array_module(x).asarray(x)
  
imports: import numpy
  from collections.abc import Iterable
  from typing import List
  from .core import issparse, get_array_module, cp, cps, get_sparse_module, naked, sps, splinalg
  from .array import SparseNDArray, SparseArray
label_desc: Use image node_id 6 for calling the SparseMatrix obj's underlying member method code with example usage: obj.dot(other, sparse) and returns: get_array_module, SparseNDArray, NotImplemented