parameters: (self,a,b)
return_statement: return vectorops.sub(a,b)
docstring: Default: assumes a Cartesian space
docstring_summary: Default: assumes a Cartesian space
docstring_tokens: Default : assumes a Cartesian space
function: def taskDifference(self,a,b):
  		"""Default: assumes a Cartesian space"""
  		return vectorops.sub(a,b)
function_tokens: def taskDifference ( self , a , b ) : return vectorops . sub ( a , b )