TRV: fix typos in FRD docstring

murrayrm · murrayrm · commit 866a07c6de72 · 2021-06-15T08:10:33.000-07:00
diff --git a/control/frdata.py b/control/frdata.py
@@ -92,18 +92,17 @@ class FrequencyResponseData(LTI):
 
     Notes
     -----
-    The main data members are 'omega' and 'fresp', where 'omega' is a the 1D
-    arran yf frequency points and and 'fresp' is a 3D array, with the first
-    dimension corresponding to the output index of the FRD, the second
-    dimension corresponding to the input index, and the 3rd dimension
+    The main data members are 'omega' and 'fresp', where 'omega' is a 1D array
+    of frequency points and and 'fresp' is a 3D array of frequency responses,
+    with the first dimension corresponding to the output index of the FRD, the
+    second dimension corresponding to the input index, and the 3rd dimension
     corresponding to the frequency points in omega.  For example,
 
     >>> frdata[2,5,:] = numpy.array([1., 0.8-0.2j, 0.2-0.8j])
 
-    means that the frequency response from the 6th input to the 3rd
-    output at the frequencies defined in omega is set to the array
-    above, i.e. the rows represent the outputs and the columns
-    represent the inputs.
+    means that the frequency response from the 6th input to the 3rd output at
+    the frequencies defined in omega is set to the array above, i.e. the rows
+    represent the outputs and the columns represent the inputs.
 
     A frequency response data object is callable and returns the value of the
     transfer function evaluated at a point in the complex plane (must be on
diff --git a/control/iosys.py b/control/iosys.py
@@ -772,10 +772,10 @@ def _out(self, t, x, u):
 class NonlinearIOSystem(InputOutputSystem):
     """Nonlinear I/O system.
 
-    Creates an :class:`~control.InputOutputSystem` for a nonlinear system
-    by specifying a state update function and an output function.  The new
-    system can be a continuous or discrete time system (Note:
-    discrete-time systems not yet supported by most function.)
+    Creates an :class:`~control.InputOutputSystem` for a nonlinear system by
+    specifying a state update function and an output function.  The new system
+    can be a continuous or discrete time system (Note: discrete-time systems
+    are not yet supported by most functions.)
 
     Parameters
     ----------
