Index: mttroot/mtt/lib/comp/simple/AF_cause.m
==================================================================
--- mttroot/mtt/lib/comp/simple/AF_cause.m
+++ mttroot/mtt/lib/comp/simple/AF_cause.m
@@ -6,15 +6,22 @@
 %     %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % 
 % Matlab function  AF_cause
 % [bonds,status] = AF_cause(bonds)
 
+%SUMMARY AF: flow amplifier
+%DESCRIPTION Port[1]: amplifier flow input f_1 (e_1=0)
+%DESCRIPTION Port[2]: amplifier flow output f_2 
+
 % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % %% Version control history
 % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % %% $Id$
 % %% $Log$
+% %% Revision 1.1  1996/08/30 19:05:32  peter
+% %% Initial revision
+% %%
 % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
 % Copyright (c) P.J. Gawthrop, 1996.
 

Index: mttroot/mtt/lib/comp/simple/R_cause.m
==================================================================
--- mttroot/mtt/lib/comp/simple/R_cause.m
+++ mttroot/mtt/lib/comp/simple/R_cause.m
@@ -6,15 +6,22 @@
 %     %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % 
 % Matlab function  R_cause
 % [bonds,status] = R_cause(bonds)
 
+%SUMMARY R: R component
+%DESCRIPTION Multiport component with no dynamics
+%DESCRIPTION Cannot be bicausal
+
 % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % %% Version control history
 % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % %% $Id$
 % %% $Log$
+% %% Revision 1.1  1996/08/30 19:05:08  peter
+% %% Initial revision
+% %%
 % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
 % Copyright (c) P.J. Gawthrop, 1996.