Question: loglogplot y-axis to decibel db

Hi,

I'm having trouble of converting my y-axis to decibel.  Here is is my script:

 

restart;
with(plots);
loglogplot(1/(1+f), f = 10^(-4) .. 10^4);

 

Everything is fine except for the y-axis, which is not in dB.

 

Please Wait...