User`s guide

nichols
11-151
Algorithm See bode.
See Also bode Bode plot
evalfr Response at single complex frequency
freqresp Frequency response computation
ltiview LTIsystemviewer
ngrid Grid on Nichols plot
nyquist Ny quist plot
sigma S ingular value plot
Open−Loop Phase (deg)
Open−Loop Gain (dB)
Nichols Charts
−500 −450 −400 −350 −300 −250 −200 −150 −100 −50
−40
−30
−20
−10
0
10
20
30
40
6 dB
3 dB
1 dB
0.5 dB
0.25 dB
0 dB
−1 dB
−3 dB
−6 dB
−12 dB
−20 dB
−40 dB