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Comment:Uses new version of equation.m - passes component type to cr.
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SHA3-256: 3581948d0860fc9dc6824cbd3ecf0e2bb799645c314b4bfb6a306e5b4ecbd098
User & Date: gawthrop@users.sourceforge.net on 2003-01-07 10:10:14
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Context
2003-01-07
10:11:45
Octavised.
Added new first argument to write component type to cr in ese file. check-in: f5b5f826d5 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
10:10:14
Uses new version of equation.m - passes component type to cr. check-in: 3581948d08 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
09:11:53
Octavised check-in: 281670b4d2 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
Changes
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Modified mttroot/mtt/lib/comp/simple/AE_eqn.m from [2991c6f3bd] to [a764490bd3]. 

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function  structure = AE_eqn(name,bond_number,bonds,direction,cr,args, ...
                            structure,eqnfile);
% AE_eqn. Equation generation for effort amplifier.

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$



% %% Revision 1.3  1996/08/30 19:03:10  peter
% %% Added argument check.
% %% Added extra name argument.
% %%
% %% Revision 1.2  1996/08/30 13:23:11  peter
% %% Added bond number check
% %%










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function  structure = AE_eqn(name,bond_number,bonds,direction,cr,args, ...
                            structure,eqnfile);
% AE_eqn. Equation generation for effort amplifier.

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.4  1996/09/10 10:10:41  peter
% %% Now uses eqaution.m to format the equation.
% %%
% %% Revision 1.3  1996/08/30 19:03:10  peter
% %% Added argument check.
% %% Added extra name argument.
% %%
% %% Revision 1.2  1996/08/30 13:23:11  peter
% %% Added bond number check
% %%
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  outbond = bond_number(1);
  inbond = bond_number(2);
  outport = 1;
  inport = 2;
end


eqn =  equation(name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);

			  
			  
			  











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  outbond = bond_number(1);
  inbond = bond_number(2);
  outport = 1;
  inport = 2;
end


eqn =  equation("AE",name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);

Modified mttroot/mtt/lib/comp/simple/AF_eqn.m from [1fcd8b0274] to [beebc3dcaf].

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%    structure,eqnfile);

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$



% %% Revision 1.2  1996/09/11 13:35:14  peter
% %% New equation.m method used.
% %%
% %% Revision 1.1  1996/08/30 18:38:57  peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%








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%    structure,eqnfile);

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.3  1996/09/12 19:29:35  peter
% %% Use new equation method.
% %%
% %% Revision 1.2  1996/09/11 13:35:14  peter
% %% New equation.m method used.
% %%
% %% Revision 1.1  1996/08/30 18:38:57  peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
︙︙
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  outbond = bond_number(1);
  inbond = bond_number(2);
  outport = 1;
  inport = 2;
end


eqn =  equation(name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);















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  outbond = bond_number(1);
  inbond = bond_number(2);
  outport = 1;
  inport = 2;
end


eqn =  equation("AF",name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);

Modified mttroot/mtt/lib/comp/simple/C_eqn.m from [2daad60fd9] to [2af3de08f1].

︙︙
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%    structure,eqnfile);

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$



% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% Copyright (c) P.J. Gawthrop, 1996.

			
if nargin<8
  eqnfile = 'stdout';
end;

% Unicausal version
CorI = 1;
structure = cieqn(name,bond_number,bonds,direction,cr,args, structure, ...
                 CorI, eqnfile);















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%    structure,eqnfile);

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.2  1997/04/09 13:00:28  peterg
% %% *** empty log message ***
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% Copyright (c) P.J. Gawthrop, 1996.

			
if nargin<8
  eqnfile = 'stdout';
end;

% Unicausal version
CorI = 1;
structure = cieqn(name,bond_number,bonds,direction,cr,args, structure, \
                 CorI, eqnfile);

Modified mttroot/mtt/lib/comp/simple/EMTF_eqn.m from [f2e12d75c2] to [7cc82fd47a]. 

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function  structure = EMTF_eqn(name,bond_number,bonds,direction,cr,args, ...
                            structure,eqnfile);


% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$



% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


			
if nargin<8
  eqnfile = 'stdout';
end;










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function  structure = EMTF_eqn(name,bond_number,bonds,direction,cr,args, ...
                            structure,eqnfile);


% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.2  2000/12/28 11:45:48  peterg
% %% *** empty log message ***
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


			
if nargin<8
  eqnfile = 'stdout';
end;
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else
  outbond = bond_number(1);
  inbond =  bond_number([2 3]);
  outport = 1;
  inport = [2;3];
end;

eqn =  equation(name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);

% Flow
outcause = -1;
incause = [-1;1];
if f_1==-1
  outbond = bond_number(2);
  inbond =  bond_number([1 3]);
  outport = 2;
  inport = [1;3];
else
  outbond = bond_number(1);
  inbond =  bond_number([2 3]);
  outport = 1;
  inport = [2;3];
end;

eqn =  equation(name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);

% Modulation: flow on port 3 is always zero
  fprintf(eqnfile, '%s := 0;\n', ...
      varname(name,bond_number(3), -1));















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else
  outbond = bond_number(1);
  inbond =  bond_number([2 3]);
  outport = 1;
  inport = [2;3];
end;

eqn =  equation("EMTF",name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);

% Flow
outcause = -1;
incause = [-1;1];
if f_1==-1
  outbond = bond_number(2);
  inbond =  bond_number([1 3]);
  outport = 2;
  inport = [1;3];
else
  outbond = bond_number(1);
  inbond =  bond_number([2 3]);
  outport = 1;
  inport = [2;3];
end;

eqn =  equation("EMTF",name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);

% Modulation: flow on port 3 is always zero
  fprintf(eqnfile, '%s := 0;\n', ...
      varname(name,bond_number(3), -1));

Modified mttroot/mtt/lib/comp/simple/FMR_eqn.m from [5ad1df79af] to [da8322ed66].

︙︙
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%    structure,eqnfile);

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$



% %% Revision 1.2  1996/08/30 18:35:43  peter
% %% New name argument added.
% %%
% %% Revision 1.1  1996/08/30 16:38:25  peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%








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%    structure,eqnfile);

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.3  1996/09/12 19:30:31  peter
% %% Updated to use new eqaution.m
% %%
% %% Revision 1.2  1996/08/30 18:35:43  peter
% %% New name argument added.
% %%
% %% Revision 1.1  1996/08/30 16:38:25  peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
︙︙
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    outnumber = bond_number(1);
    if f_1 == 1 			% Flow out
      outcause = -1;
    else                                % Effort out
      outcause = 1;
    end;    
    incause = [-outcause; -1]; % Flow input on port 2
    eqn =  equation(name,cr,args,outnumber,outcause,outport, ...
                               bond_number,incause,1:ports);
    fprintf(eqnfile, '%s',eqn);

  else % Modulation is output
    outport = 2;
    outcause = -1;
    outnumber = bond_number(2);
    innumber = bond_number(1)*[1;1];    
    incause = [1; -1]; % Effort and flow on port 1
    inports = [1; 1];
    eqn =  equation(name,cr,args,outnumber,outcause,outport, ...
                               innumber,incause,inports);
    fprintf(eqnfile, '%s',eqn);
  end;
end;

  % Effort on port 2 is always zero
  fprintf(eqnfile, '%s := 0;\n', ...








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    outnumber = bond_number(1);
    if f_1 == 1 			% Flow out
      outcause = -1;
    else                                % Effort out
      outcause = 1;
    end;    
    incause = [-outcause; -1]; % Flow input on port 2
    eqn =  equation("FMR",name,cr,args,outnumber,outcause,outport, ...
                               bond_number,incause,1:ports);
    fprintf(eqnfile, '%s',eqn);

  else % Modulation is output
    outport = 2;
    outcause = -1;
    outnumber = bond_number(2);
    innumber = bond_number(1)*[1;1];    
    incause = [1; -1]; % Effort and flow on port 1
    inports = [1; 1];
    eqn =  equation("FMR",name,cr,args,outnumber,outcause,outport, ...
                               innumber,incause,inports);
    fprintf(eqnfile, '%s',eqn);
  end;
end;

  % Effort on port 2 is always zero
  fprintf(eqnfile, '%s := 0;\n', ...
︙︙

Modified mttroot/mtt/lib/comp/simple/GY_eqn.m from [f2e485f0f7] to [b248761e3d].

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%    structure,eqnfile);

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$



% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% Copyright (c) P.J. Gawthrop, 1996.


if nargin<8








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%    structure,eqnfile);

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.1  2000/12/28 11:51:06  peterg
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% Copyright (c) P.J. Gawthrop, 1996.


if nargin<8
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  inbond =  bond_number(2);
  outport = 1;
  inport = 2;
  outcause = 1;
  incause = -1;
end;

eqn =  equation(name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);

% Flow-effort
if f_1==-1
  outbond = bond_number(2);
  inbond =  bond_number(1);
  outport = 2;
  inport = 1;
  outcause = 1;
  incause = -1; 
else
  outbond = bond_number(1);
  inbond =  bond_number(2);
  outport = 1;
  inport = 2;
  outcause = -1;
  incause = 1; 
end;

eqn =  equation(name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);









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  inbond =  bond_number(2);
  outport = 1;
  inport = 2;
  outcause = 1;
  incause = -1;
end;

eqn =  equation("GY",name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);

% Flow-effort
if f_1==-1
  outbond = bond_number(2);
  inbond =  bond_number(1);
  outport = 2;
  inport = 1;
  outcause = 1;
  incause = -1; 
else
  outbond = bond_number(1);
  inbond =  bond_number(2);
  outport = 1;
  inport = 2;
  outcause = -1;
  incause = 1; 
end;

eqn =  equation("GY",name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);

Modified mttroot/mtt/lib/comp/simple/R_eqn.m from [56cc6513ff] to [9457569ec3].

︙︙
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%    structure,eqnfile)

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$



% %% Revision 1.3  1996/09/12 16:40:45  peter
% %% Now does a default (when no constitutive relationship) with a unit
% %% constitutive relationship on each port.
% %%
% %% Revision 1.2  1996/09/12 13:12:04  peter
% %% Removed an fprintf that was a mistake.
% %%








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%    structure,eqnfile)

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.4  1996/09/12 19:28:11  peter
% %% Added defaults (with no constitutive relationship)
% %%
% %% Revision 1.3  1996/09/12 16:40:45  peter
% %% Now does a default (when no constitutive relationship) with a unit
% %% constitutive relationship on each port.
% %%
% %% Revision 1.2  1996/09/12 13:12:04  peter
% %% Removed an fprintf that was a mistake.
% %%
︙︙
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    inbond = bond_number;
  else % default if no cr: unit cr on each port
    incause = bonds(outport,1);
    inport = outport;
    inbond = outnumber;
  end;
  
  eqn =  equation(name,cr,args,outnumber,outcause,outport, ...
                               inbond,incause,inport);
  fprintf(eqnfile, '%s',eqn);
end;










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    inbond = bond_number;
  else % default if no cr: unit cr on each port
    incause = bonds(outport,1);
    inport = outport;
    inbond = outnumber;
  end;
  
  eqn =  equation("R",name,cr,args,outnumber,outcause,outport, ...
                               inbond,incause,inport);
  fprintf(eqnfile, '%s',eqn);
end;

Modified mttroot/mtt/lib/comp/simple/TF_eqn.m from [0f6f6099bc] to [da8cba2d73]. 

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function  structure = TF_eqn(name,bond_number,bonds,direction,cr,args, ...
                            structure,eqnfile);

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$



% %% Revision 1.1  1996/08/19 09:05:04  peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

			
if nargin<8









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function  structure = TF_eqn(name,bond_number,bonds,direction,cr,args, ...
                            structure,eqnfile);

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.2  1996/09/10 10:41:37  peter
% %% Now used equation.m to write the equations.
% %%
% %% Revision 1.1  1996/08/19 09:05:04  peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

			
if nargin<8
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else
  outbond = bond_number(1);
  inbond =  bond_number(2);
  outport = 1;
  inport = 2;
end;

eqn =  equation(name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);

% Flow
outcause = -1;
incause = -1;
if f_1==-1
  outbond = bond_number(2);
  inbond =  bond_number(1);
  outport = 2;
  inport = 1;
else
  outbond = bond_number(1);
  inbond =  bond_number(2);
  outport = 1;
  inport = 2;
end;

eqn =  equation(name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);
















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else
  outbond = bond_number(1);
  inbond =  bond_number(2);
  outport = 1;
  inport = 2;
end;

eqn =  equation("TF",name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);

% Flow
outcause = -1;
incause = -1;
if f_1==-1
  outbond = bond_number(2);
  inbond =  bond_number(1);
  outport = 2;
  inport = 1;
else
  outbond = bond_number(1);
  inbond =  bond_number(2);
  outport = 1;
  inport = 2;
end;

eqn =  equation("TF",name,cr,args,outbond,outcause,outport, ...
                             inbond,incause,inport);
fprintf(eqnfile, '%s',eqn);

Modified mttroot/mtt/lib/comp/simple/cieqn.m from [1e5df81dfe] to [e985d8ce2c].

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% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$



% %% Revision 1.2  1997/12/04 13:48:00  peterg
% %% Added sign info to take account of direction of bonds.
% %%
% %% Revision 1.1  1997/04/09  10:18:26  peterg
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% Copyright (c) P.J. Gawthrop, 1996.

if nargin<8
  eqnfile = 'stdout';
end;







CorIorISW = CorI;
if CorIorISW==0 % ISW
   CorI = -1;
end;


% Find the number of ports
[ports,junk] = size(bonds);

% Right-hand side causality
RHS_cause = (bonds(:,1)==CorI*ones(ports,1))*CorI
state_cause = zeros(ports,1); % State causality








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% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.3  1998/06/29 13:05:08  peterg
% %% Changed cieqn so that sign ignored.
% %%
% %% Revision 1.2  1997/12/04 13:48:00  peterg
% %% Added sign info to take account of direction of bonds.
% %%
% %% Revision 1.1  1997/04/09  10:18:26  peterg
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% Copyright (c) P.J. Gawthrop, 1996.

if nargin<8
  eqnfile = 'stdout';
end;

if (CorI==1)
  comp_type = "C";
else
  comp_type = "I";
endif

CorIorISW = CorI;
if CorIorISW==0 % ISW
   CorI = -1;
end;


% Find the number of ports
[ports,junk] = size(bonds);

% Right-hand side causality
RHS_cause = (bonds(:,1)==CorI*ones(ports,1))*CorI
state_cause = zeros(ports,1); % State causality
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    fprintf(eqnfile, '%s := MTTx(%1.0f,1);\n', ...
        varname(name,LHS_number, state_cause), state);

    % Print equation of form xdot = input - with sign
    fprintf(eqnfile, 'MTTdX(%1.0f,1) := %s%s;\n', state, sign, ...
                     varname(name,LHS_number,-LHS_cause));
    % Print equation of form output = CR (state) 
    eqn =  equation(name,cr,args,LHS_number,LHS_cause,outport, ...
                             bond_number,state_cause,1:ports);
    fprintf(eqnfile, '%s',eqn);
    structure(1) = state;
  else % Derivative causality
    nonstate = structure(2)+1;
    LHS_cause = -CorI;

    % Print equation of form zdot = MTTdz(i) -- with sign 
    fprintf(eqnfile, '%s := %sMTTdz(%1.0f,1);\n', ...
                             varname(name,LHS_number,LHS_cause), sign, ...
                             nonstate);
    % Print equation of form MTTz(i) = z_i
    fprintf(eqnfile, 'MTTz(%1.0f,1) := %s;\n', nonstate, ...
             varname(name,LHS_number, state_cause));
				 
   % Print equation of form z_i = CR(input)
      eqn =  equation(name,cr,args,LHS_number,state_cause, outport, ...
                             bond_number,RHS_cause,1:ports);
    fprintf(eqnfile, '%s',eqn);
    structure(2) = nonstate;
 end;
end;










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    fprintf(eqnfile, '%s := MTTx(%1.0f,1);\n', ...
        varname(name,LHS_number, state_cause), state);

    % Print equation of form xdot = input - with sign
    fprintf(eqnfile, 'MTTdX(%1.0f,1) := %s%s;\n', state, sign, ...
                     varname(name,LHS_number,-LHS_cause));
    % Print equation of form output = CR (state) 
    eqn =  equation(comp_type,name,cr,args,LHS_number,LHS_cause,outport, ...
                             bond_number,state_cause,1:ports);
    fprintf(eqnfile, '%s',eqn);
    structure(1) = state;
  else % Derivative causality
    nonstate = structure(2)+1;
    LHS_cause = -CorI;

    % Print equation of form zdot = MTTdz(i) -- with sign 
    fprintf(eqnfile, '%s := %sMTTdz(%1.0f,1);\n', ...
                             varname(name,LHS_number,LHS_cause), sign, ...
                             nonstate);
    % Print equation of form MTTz(i) = z_i
    fprintf(eqnfile, 'MTTz(%1.0f,1) := %s;\n', nonstate, ...
             varname(name,LHS_number, state_cause));
				 
   % Print equation of form z_i = CR(input)
      eqn =  equation(comp_type,name,cr,args,LHS_number,state_cause, outport, ...
                             bond_number,RHS_cause,1:ports);
    fprintf(eqnfile, '%s',eqn);
    structure(2) = nonstate;
 end;
end;
︙︙

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