From 3b90050dc2ce0ec15099e17718b28b4d6274535a Mon Sep 17 00:00:00 2001 From: Richard Murray Date: Sun, 5 Sep 2021 22:41:07 -0700 Subject: [PATCH] FIX: plot Nyquist frequency correctly in Bode plot in Hz --- control/freqplot.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/control/freqplot.py b/control/freqplot.py index 315e00f2c..86b548b38 100644 --- a/control/freqplot.py +++ b/control/freqplot.py @@ -329,7 +329,8 @@ def bode_plot(syslist, omega=None, # if this extra nyquist lime is is plotted in a single plot # command then line order is preserved when # creating a legend eg. legend(('sys1', 'sys2')) - omega_nyq_line = np.array((np.nan, nyquistfrq, nyquistfrq)) + omega_nyq_line = np.array( + (np.nan, nyquistfrq_plot, nyquistfrq_plot)) omega_plot = np.hstack((omega_plot, omega_nyq_line)) mag_nyq_line = np.array(( np.nan, 0.7*min(mag_plot), 1.3*max(mag_plot)))