Index: mttroot/mtt/bin/trans/mtt_header
==================================================================
--- mttroot/mtt/bin/trans/mtt_header
+++ mttroot/mtt/bin/trans/mtt_header
@@ -10,10 +10,13 @@
 ###############################################################
 ## Version control history
 ###############################################################
 ## $Id$
 ## $Log$
+## Revision 1.57  2004/06/20 10:18:00  gawthrop
+## Explicitly size vectors - avoid default row vector bug
+##
 ## Revision 1.56  2003/04/17 20:07:33  geraint
 ## Added rule to create _sese.m
 ##
 ## Revision 1.55  2002/10/30 01:15:20  gawthrop
 ## Now gives correct-size matrices for dm rep.
@@ -289,10 +292,11 @@
 	states=yes;
         inputs=yes;
 	parameters=yes;
         output='mttdx,mtte'
         args=$eqnargs
+	zeromatrices='dx,e'
 	;;
     csex)
 	states=yes;
         inputs=yes;
 	parameters=yes;
@@ -327,10 +331,11 @@
         else
 	  states=yes;
 	  parameters=yes;
           declareinputs=yes
 	  declarestates=yes
+	  zeromatrices=u
         fi
 	;;
     logic)
 	states=no;
 	inputs=no;
@@ -352,17 +357,19 @@
 	states=yes;
         inputs=yes;
 	parameters=yes;
         output='mttdx'
         args=$eqnargs
+	zeromatrices='dx'
 	;;
     odeo)
 	states=yes;
         inputs=yes;
 	parameters=yes;
         output='mtty'
         args=$eqnargs
+	zeromatrices='y'
 	;;
     ode2odes)
 	states=no;
         inputs=no;
 	parameters=no;
@@ -381,10 +388,11 @@
 	states=yes;
 	inputs=yes;
 	parameters=yes;
 	output="mttdx,mtty";
 	args=$eqnargs;
+	zeromatrices="dx,y";
 	;;
     sm)
 	states=no;
 	inputs=no;
 	parameters=yes;
@@ -413,10 +421,11 @@
 	inputs=no;
 	parameters=yes;
         output=mttx
         args=mttpar
         declarestates=yes
+	zeromatrices=x
 	;;
     sim)
 	states=no;
         inputs=no;
 	parameters=no;
@@ -577,16 +586,25 @@
 	    N=$Ny; M=$Nu
 	    ;;
 	e)
 	    N=$Nx; M=$Nx
 	    ;;
+	x)
+	    N=$Nx; M=1
+	    ;;
+	dx)
+	    N=$Nx; M=1
+	    ;;
 	edx)
 	    N=$Nx; M=1
 	    ;;
 	y)
 	    N=$Ny; M=1
 	    ;;
+	u)
+	    N=$Nu; M=1
+	    ;;
 	open)
 	    N=$Nx; M=1
 	    ;;
 	ax)
 	    N=$Nx; M=1