extend comments for root-locus procedure

repagh · repagh · commit 08e70a1a1a67 · 2014-06-16T08:38:23.000Z
diff --git a/src/matlab.py b/src/matlab.py
@@ -1112,6 +1112,14 @@ def rlocus(sys, klist = None, **keywords):
         Linear system
     klist: 
         optional list of gains
+    xlim : control of x-axis range, normally with tuple, for
+        other options, see matplotlib.axes
+    ylim : control of y-axis range
+    Plot : boolean (default = True)
+        If True, plot magnitude and phase
+    PrintGain: boolean (default = True)
+        If True, report mouse clicks when close to the root-locus branches,
+        calculate gain, damping and print
 
     Returns
     -------
diff --git a/src/rlocus.py b/src/rlocus.py
@@ -65,6 +65,9 @@ def root_locus(sys, kvect, xlim=None, ylim=None, plotstr='-', Plot=True,
         Linear input/output systems (SISO only, for now)
     kvect : gain_range (default = None)
         List of gains to use in computing diagram
+    xlim : control of x-axis range, normally with tuple, for
+        other options, see matplotlib.axes
+    ylim : control of y-axis range
     Plot : boolean (default = True)
         If True, plot magnitude and phase
     PrintGain: boolean (default = True)
