parameters: (self, grad, var)
docstring: Add ops to apply dense gradients to `var`.
  
      Args:
        grad: A `Tensor`.
        var: A `Variable` object.
  
      Return:
        An `Operation`.
docstring_summary: Add ops to apply dense gradients to `var`.
docstring_tokens: Add ops to apply dense gradients to var .
function: def _apply_dense(self, grad, var):
      """Add ops to apply dense gradients to `var`.
  
      Args:
        grad: A `Tensor`.
        var: A `Variable` object.
  
      Return:
        An `Operation`.
      """
      raise NotImplementedError()
function_tokens: def _apply_dense ( self , grad , var ) : raise NotImplementedError ( )