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Is there a way to get a higher resolution of a nyquist plot?
The bode plot for example includes the posibility to increase the frequency resolution.
I use that code:
T=64.38 %ms
G_1=tf([-T 1],[T^2 2*T 1]);
zpk(G_1)
G_2=tf([1],[T 1]);
zpk(G_2)
G=G_1*G_1*G_1*G_2;
zpk(G)
nyquist(G)
This info is found in the documentation: you can specify a frequency range for nyquist: