remove _bandwidth method in lti.py

SCLiao47 · SCLiao47 · commit a370cdb65e70 · 2023-05-03T23:28:59.000-04:00
diff --git a/control/lti.py b/control/lti.py
@@ -203,11 +203,6 @@ def _dcgain(self, warn_infinite):
             return zeroresp
 
     def bandwidth(self, dbdrop=-3):
-        """Return the bandwidth"""
-        raise NotImplementedError("bandwidth not implemented for %s objects" %
-                                  str(self.__class__))
-
-    def _bandwidth(self, dbdrop=-3):
         # check if system is SISO and dbdrop is a negative scalar
         if not self.issiso():
             raise TypeError("system should be a SISO system")
diff --git a/control/statesp.py b/control/statesp.py
@@ -1424,10 +1424,6 @@ def dcgain(self, warn_infinite=False):
         """
         return self._dcgain(warn_infinite)
 
-    def bandwidth(self, dbdrop=-3):
-        """Return the bandwith"""
-        return self._bandwidth(dbdrop)
-
     def dynamics(self, t, x, u=None, params=None):
         """Compute the dynamics of the system
 
diff --git a/control/xferfcn.py b/control/xferfcn.py
@@ -1247,10 +1247,6 @@ def dcgain(self, warn_infinite=False):
         """
         return self._dcgain(warn_infinite)
     
-    def bandwidth(self, dbdrop=-3):
-        """Return the bandwith"""
-        return self._bandwidth(dbdrop)
-
     def _isstatic(self):
         """returns True if and only if all of the numerator and denominator
         polynomials of the (possibly MIMO) transfer function are zeroth order,
