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# Copyright (c) P.J.Gawthrop, 1996.
###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.14 1998/05/19 19:48:02 peterg
## Read the simpar file now.
##
## Revision 1.13 1998/05/14 08:05:10 peterg
## Put back under RCS
##
## Revision 1.12 1998/02/25 18:02:39 peterg
## Removed the argument passing stuff .
## Replaced by the simpar.m method.
##
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METHOD = 'Euler'
end;
if exist('x')==0
x = zeros(nx,1);
end;
% xx is the composite vector containing x and the internal inputs.
xx = [x; zeros(nyz,1)];
[n,m]=size(T);
if m>n
T=T';
end;
method = tolower(METHOD)
if nx>0
if strcmp(method,'lsode')
X = lsode('$1_ode', x, T);
elseif strcmp(method,'euler')
%Euler integration
X=[];
dt = (T(2)-T(1))/STEPFACTOR;
for t=T'
X = [X; x'];
X = [X; xx'];
ts = t;
for i=1:STEPFACTOR
x = xx(1:nx);
dx = $1_ode(x,ts);
xx = $1_ode(xx,ts);
ts = ts + dt;
dx = xx(1:nx);
x = x + dx*dt;
xx(1:nx) = x;
end;
end;
else
error('Method %s not available here', METHOD);
return;
end;
write_matrix([T,X], '$1_odes');
else
X = zeros(size(T));
end;
if ny>0 % compute y and print it
i = 0; Y=[];
for t=T'
i = i+1;
i = i+1, X(i,:)
y = $1_odeo(X(i,:),t);
Y = [Y; y'];
end;
write_matrix([T,Y], '$1_odeso');
end;
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