simType('symbolic');              % Set the simulation type to 'symbolic'.
f_T = getParValue('f_T');         % Assign the symbolic definition of the circuit parameter 'f_T'.
                                  % to the MATLAB variable 'f_T'.
beta_AC = getParValue('beta_AC'); % Assign the symbolic definition of the circuit parameter 'beta_AC'.
                                  % to the MATLAB variable 'beta_AC'.