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+++ b/scripts/control/controldemo.m
@@ -0,0 +1,61 @@
+# Copyright (C) 1996 A. Scottedward Hodel
+#
+# This file is part of Octave. 
+#
+# Octave is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2, or (at your option) any
+# later version.
+#
+# Octave is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Octave; see the file COPYING.  If not, write to the Free
+# Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+function DEMOcontrol()
+# Controls toolbox demo.
+# Demo programs: bddemo.m, frdemo.m, analdemo.m, moddmeo.m, rldemo.m
+#  
+# Written by David Clem August 15, 1994
+# $Revision: 1.1 $    
+
+  disp(' O C T A V E    C O N T R O L   S Y S T E M S   T O O L B O X')
+
+  while (1)
+    clc
+    k = 0;
+    while (k > 8 || k < 1),
+      k = menu("Octave Controls System Toolbox Demo", ...
+	'System representation', ...
+    	'Block diagram manipulations ', ...
+    	'Frequency response functions ', ...
+    	'State space analysis functions ', ...
+    	'System model manipulations ', ...
+    	'Root locus functions ', ...
+	'LQG/H2/Hinfinity functions ', ...
+    	'End');
+
+    endwhile
+    if(k == 1)
+      sysrepdemo
+    elseif (k == 2)
+      bddemo
+    elseif (k == 3)
+      frdemo
+    elseif (k == 4)
+      analdemo
+    elseif (k == 5)
+      moddemo
+    elseif (k == 6)
+      rldemo
+    elseif (k == 7)
+      dgkfdemo
+    elseif (k == 8)
+      return
+    endif
+  endwhile
+endfunction