remove references to deprecated and legacy functions

murrayrm · murrayrm · commit 810e91067859 · 2025-02-02T20:39:22.000-08:00
diff --git a/doc/control.rst b/doc/control.rst
@@ -31,7 +31,6 @@ System interconnections
 
     append
     combine_tf
-    connect
     feedback
     interconnect
     negate
@@ -75,7 +74,7 @@ Time domain simulation
     impulse_response
     initial_response
     input_output_response
-    phase_plot
+    phase_plane_plot
     step_response
 
 Control system analysis
@@ -182,7 +181,6 @@ Utility functions and conversions
     isctime
     isdtime
     issiso
-    issys
     mag2db
     modal_form
     norm
diff --git a/doc/test_sphinxdocs.py b/doc/test_sphinxdocs.py
@@ -21,6 +21,7 @@
 
 # Functions that should not be referenced
 legacy_functions = [
+    'FRD',                      # FrequencyResponseData (or frd)
     'balred',                   # balanced_reduction
     'bode',                     # bode_plot
     'c2d',                      # sample_system
