The asymptotic Bode plots in MATLAB
The asymptotic bode diagram in MATLAB
s = tf('s');
G = -100*s / (s^3 + 12*s^2 + 21*s + 10)
[G, w] = bodas(G);
[G, w] = bodas(G);
s = tf('s');
G = (-s^2-0.2*s-4.01) / s
[G, w] = bodas(G);
Please read: bodas-manual.pdf
MIT OCW — Dynamics and Control II — Lecture 33
https://lpsa.swarthmore.edu/Bode/BodeHow.html