code: def _install_ufunc(func_name):
      def f(self):
          ufunc = getattr(cupy, func_name)
          result = ufunc(self.data)
          return self._with_data(result)
  
      f.__doc__ = "Elementwise %s." % func_name
      f.__name__ = func_name
  
      setattr(_data_matrix, func_name, f)
  
imports: import cupy
  import numpy
  from cupy._core import internal
  from cupy import _util
  from cupyx.scipy.sparse import _base
  from cupyx.scipy.sparse import _coo
  from cupyx.scipy.sparse import _sputils
label_desc: Use image node_id 3 for calling a global function with example usage: _install_ufunc(func_name) and returns: self