how to plot bode plot for eigenfreqencies (for both resonant and anti resonant frequencies) in matlab ..with hertz on x axis instead of rad/s....thanks in advance

multiple peaks should appear on graph but my graph showing just one peak ...

Answer 1

[Stefan Reich]

Could you upload your transfer function? Concerning the Hertz:

h = bodeplot(sys)
setoptions(h,'FreqUnits','Hz')

http://de.mathworks.com/help/control/ref/bodeplot.html