parameters: (self, tf_asymmetry_simultaneous_function: IFunction)
docstring: Updates the TF Asymmetry and normal simultaneous fit function based on the function from a TFA fit.
docstring_summary: Updates the TF Asymmetry and normal simultaneous fit function based on the function from a TFA fit.
docstring_tokens: Updates the TF Asymmetry and normal simultaneous fit function based on the function from a TFA fit .
function: def update_tf_asymmetry_simultaneous_fit_function(self, tf_asymmetry_simultaneous_function: IFunction) -> None:
          """Updates the TF Asymmetry and normal simultaneous fit function based on the function from a TFA fit."""
          self.fitting_context.tf_asymmetry_simultaneous_function = tf_asymmetry_simultaneous_function
  
          if self.fitting_context.number_of_datasets > 1:
              self._update_parameters_of_multi_domain_simultaneous_function_from(tf_asymmetry_simultaneous_function)
          else:
              self.fitting_context.simultaneous_fit_function = self._get_normal_fit_function_from(
                  tf_asymmetry_simultaneous_function)
function_tokens: def update_tf_asymmetry_simultaneous_fit_function ( self , tf_asymmetry_simultaneous_function : IFunction ) -> None : self . fitting_context . tf_asymmetry_simultaneous_function = tf_asymmetry_simultaneous_function if self . fitting_context . number_of_datasets > 1 : self . _update_parameters_of_multi_domain_simultaneous_function_from ( tf_asymmetry_simultaneous_function ) else : self . fitting_context . simultaneous_fit_function = self . _get_normal_fit_function_from ( tf_asymmetry_simultaneous_function )