DOC: modified imports in docstring (Examples section) in singular_values_plot

forgi86 · forgi86 · commit 0ada3f6859ea · 2021-04-24T09:56:07.000+02:00
diff --git a/control/freqplot.py b/control/freqplot.py
@@ -1073,10 +1073,9 @@ def singular_values_plot(syslist, omega=None,
 
     Examples
     --------
-    >>> import numpy
-    >>> from control import tf, singular_values_plot
+    >>> import numpy as np
     >>> den = [75, 1]
-    >>> sys = tf([[[87.8], [-86.4]], [[108.2], [-109.6]]], [[den, den], [den, den]])
+    >>> sys = TransferFunction([[[87.8], [-86.4]], [[108.2], [-109.6]]], [[den, den], [den, den]])
     >>> omega = np.logspace(-4, 1, 1000)
     >>> sigma, omega = singular_values_plot(sys, plot=True)
     >>> singular_values_plot(sys, 0.0, plot=False)
