Index: mttroot/mtt/bin/trans/dae2dm_r
==================================================================
--- mttroot/mtt/bin/trans/dae2dm_r
+++ mttroot/mtt/bin/trans/dae2dm_r
@@ -12,10 +12,13 @@
 ###############################################################
 ## Version control history
 ###############################################################
 ## $Id$
 ## $Log$
+## Revision 1.4  2005/03/21 11:44:06  gawthrop
+## Avoid error messages when no inputs or no outputs or no states
+##
 ## Revision 1.3  1998/07/27 20:25:36  peterg
 ## *** empty log message ***
 ##
 # Revision 1.2  1996/08/25  09:53:35  peter
 # Error handling added.
@@ -62,11 +65,11 @@
       MTTE(j+MTTNx, j+MTTNx) := 1;
 
 % Find MTTA : the A matrix
 
 % First row partition: x
-IF MTTNx>0 THEN 
+IF MTTN>0 THEN 
   BEGIN
   matrix MTTA(MTTN,MTTN);
   FOR j := 1:MTTNx DO
     BEGIN
     xj := MTTX(j,1);