@comment %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@comment  Version control history
@comment %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@comment  $Id$
@comment  $Log$
@comment  Revision 1.30  2005/03/15 12:04:15  gawthrop
@comment  New labg.fig rep - pretty LaTeX figures.
@comment
@comment  Revision 1.29  2005/01/19 09:45:15  geraint
@comment  Fixed whitespace.
@comment
@comment  Revision 1.28  2005/01/06 16:03:55  geraint
@comment  Updated options list.
@comment
@comment  Revision 1.27  2005/01/06 14:42:33  geraint

@item info_field_1
        effort
@item info_field_2
        flow
@end vtable
Each of these two fields contains one of the following @emph{attributes}:
@vtable @code
@item
external
@item external
        indicates that the corresponding variable is a system input or
output
@item internal
        indicates that the variable does not appear as a system output;
        it is an error to label an input in this way.
@item a number
        the value of the input; or the value of the (imposed) output

@cindex Language txt (struc.txt)
This text tile contains a description of the system structure
(@pxref{Structure (struc)} with 5 tab-separated columns containing the
following information:
@vtable @code
@item type
        input, output state or nonstate
@item   
@item index
index
        an integer corresponding to the array index
@item 
component name
@item component name
        the name of the component corresponding to the variable
@item system name
        the name of the system containing the component
@item repetition
        an integer corresponding to the repetition of a repeated subsystem.
@end vtable

# Generated by MTT at Mon Jun 16 15:10:17 BST 1997

# %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
# %% Version control history
# %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
# %% $Id$
# %% $Log$
# %% Revision 1.30  2005/03/15 12:04:15  gawthrop
# %% New labg.fig rep - pretty LaTeX figures.
# %%
# %% Revision 1.29  2005/01/19 09:45:15  geraint
# %% Fixed whitespace.
# %%
# %% Revision 1.28  2005/01/06 16:03:55  geraint
# %% Updated options list.
# %%
# %% Revision 1.27  2005/01/06 14:42:33  geraint

@menu
* Transformation cbg2ese_m2r::  
@end menu

@node Transformation cbg2ese_m2r,  , Elementary system equations, Elementary system equations
@comment  node-name,  next,  previous,  up
@subsubsection Transformation cbg2ese_m2r
@subsection Transformation cbg2ese_m2r
@cindex Transformation cbg2ese_m2r
@cindex Structure
@cindex def.r
This transformation takes the causal bond graph as an m file 
(@pxref{Language m (cbg.m)}) and transforms it into elementary system
equations
in Reduce (@pxref{Reduce})