def _del_derived(self): r""" Delete the derived quantities. TESTS:: sage: M = Manifold(3, 'M') sage: a = M.diff_form(2, name='a') sage: a._del_derived() """ TensorField._del_derived(self) self.exterior_derivative.clear_cache()
def _del_derived(self): r""" Delete the derived quantities. TESTS:: sage: M = Manifold(3, 'M') sage: a = M.diff_form(2, name='a') sage: a._del_derived() """ TensorField._del_derived(self) self.exterior_derivative.clear_cache()
def _del_derived(self): r""" Delete the derived quantities. TESTS:: sage: M = Manifold(2, 'M') sage: a = M.automorphism_field(name='a') sage: a._del_derived() """ # First delete the derived quantities pertaining to the mother class: TensorField._del_derived(self) # then deletes the inverse automorphism: self._inverse = None
def _del_derived(self): r""" Delete the derived quantities. TESTS:: sage: M = Manifold(2, 'M') sage: a = M.automorphism_field(name='a') sage: a._del_derived() """ # First delete the derived quantities pertaining to the mother class: TensorField._del_derived(self) # then deletes the inverse automorphism: self._inverse = None