Determine min. and max. frequencies for Bode plot
function frequencyRangeBode import Modelica; import Complex; import Modelica_LinearSystems2; import Modelica_LinearSystems2.ZerosAndPoles; input ZerosAndPoles tf "ZerosAndPoles transfer function"; output Modelica.Units.SI.AngularVelocity w_min; output Modelica.Units.SI.AngularVelocity w_max; end frequencyRangeBode;