On maplesim how plot the transfer funtion vs frequency for the public domain example tuned mass dumper?

How I can found stabilty of system by Routh, Jury, Liapunov, Nequist on maple?

where i can found oscilloscope icon for cisuit simulation?thanks

why the current luca_amplificatore_retroazione.msimand voltage is egual to zero?

How I can simulate control speed of car with sensor of speed, noise, feedback on maplesim?thanks