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function structure = AE_eqn(bond_number,bonds,direction,cr,args, ...
structure,eqnfile);
% AE_eqn. Equation generation for effort amplifier.
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.1 1996/08/22 13:12:34 peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
if nargin<6
eqnfile = 'stdout';
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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 1.2 1996/08/30 13:23:11 peter
% %% Added bond number check
% %%
% %% Revision 1.1 1996/08/22 13:12:34 peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
if nargin<6
eqnfile = 'stdout';
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f_1 = bonds(1,2);
e_2 = bonds(2,1);
f_2 = bonds(2,2);
% Flow on port 1 is always zero
fprintf(eqnfile, '%s := 0;\n', ...
varname(bond_number(1), -1));
LHS_cause = 1;
RHS_cause = 1;
if e_2 == -1 % Unicausal: e_2 := e_1
LHS_number = bond_number(2);
RHS_number = bond_number(1);
else % Bicausal: e_1 := e_2
LHS_number = bond_number(1);
RHS_number = bond_number(2);
end
oneeqn(LHS_number,LHS_cause,RHS_number,RHS_cause,cr,args,eqnfile);
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f_1 = bonds(1,2);
e_2 = bonds(2,1);
f_2 = bonds(2,2);
% Flow on port 1 is always zero
fprintf(eqnfile, '%s := 0;\n', ...
varname(name,bond_number(1), -1));
LHS_cause = 1;
RHS_cause = 1;
if e_2 == -1 % Unicausal: e_2 := e_1
LHS_number = bond_number(2);
RHS_number = bond_number(1);
else % Bicausal: e_1 := e_2
LHS_number = bond_number(1);
RHS_number = bond_number(2);
end
oneeqn(name,LHS_number,LHS_cause,RHS_number,RHS_cause,cr,args,eqnfile);
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