code: def _linearoperator(mv, shape, dtype):
      return LinearOperator(
          matvec=mv, matmat=mv, shape=shape, dtype=dtype
      )
  
file_path: scikit-learn/sklearn/externals/_scipy/sparse/csgraph/_laplacian.py
imports: import numpy
  from scipy.sparse import issparse
  from scipy.sparse.linalg import LinearOperator
label_desc: Use image node_id 7 for calling a global function with example usage: _linearoperator(mv, shape, dtype) and returns: LinearOperator