# Copyright (c) P.J.Gawthrop 1991, 1992, 1994.

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.27  2005/03/21 11:50:39  gawthrop
## Don't write an empty cseo file
##
## Revision 1.26  2002/10/28 23:31:21  gawthrop
## Added additional term to MTTEdx to account for zdot terms on
## Right-Hand Side state equations
##
## Revision 1.25  2002/09/18 19:46:48  geraint
## Refined test to reduce shell loop overhead for unnecessary E matrix.
## Removed unnecessary attempt to optimise cse.

BEGIN
MTTEdX := MTTdX; %Ie MTTEdX is MTTdX with the dz terms deleted ie EdX.
MTTdX := MTTdXs;  %Restore the symbolic dX

%% Add on input derivative terms
MTTEdX := MTTEdX + MTTExu*MTTdu;
%% Add on output derivative terms
MTTEdx := MTTEdX + MTTEyx*(MTTE^(-1))*MTTEdX;
END;


%%%%%MTTY := MTTY + MTTEyx*MTTEdX;
%%% This causes the matrix mismatch
%%% MTTdXs and MTTdu need setting in _def.r file
MTTY := MTTY +  MTTEyu*MTTdu;