#! /bin/sh
######################################
##### Model Transformation Tools #####
######################################
# Bourne shell script: ode2odess_m
# Transforms descriptor matrix rep to step response
# Copyright (c) P.J.Gawthrop, 1996.
###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.4 2000/10/17 11:07:59 peterg
## *** empty log message ***
##
## Revision 1.3 1998/05/19 19:27:04 peterg
## Zapped all the parameter stuff
##
## Revision 1.2 1996/09/13 19:40:51 peter
## Fixed problem with default paramaters.
##
## Revision 1.1 1996/09/12 19:26:57 peter
## Initial revision
##
## Revision 1.4 1996/08/16 13:04:46 peter
## Fixed problem with more than one output (y vector).
##
## Revision 1.3 1996/08/16 06:36:03 peter
## Removed u from default arg list.
##
## Revision 1.2 1996/08/15 16:24:43 peter
## Uses T in place of t to avoid name clash within function.
##
## Revision 1.1 1996/08/15 11:56:38 peter
## Initial revision
##
###############################################################
echo Creating $1_odess.m
rm -f ode2odess_m.log
Nx=`mtt_getsize $1 x` # States
Nxx=`mtt_getsize $1 xx` # States x States
Nu=`mtt_getsize $1 u` # Inputs
Ny=`mtt_getsize $1 y` # Inputs
$MATRIX << EOF > ode2odess_m.log 2>mtt_error.txt
%Read in parameters
par = $1_numpar;
%Read in simulation parameters
simpar=$1_simpar;
T = [0:simpar.dt:simpar.last];
t=0; %Just in case it appears in the parameter list.
%Defaults
if exist('T')==0
T=[0:0.1:1]
end;
if exist('x0')==0
x0 = zeros($Nx,1);
end;
[n,m]=size(T);
if m>n
T=T';
end;
global t;
function dx=f(x)
global t
par = $1_numpar;
u = $1_input(x,zeros($Ny,1),t,par);
dx = $1_ode(x,u,t,par);;
endfunction;
i=0;
x = x0;
for t=T'
u = $1_input(x,zeros($Ny,1),t,par);
y(i) = $1_odeo(x,u,t,par)';
mtt_write(t,x,y,$Nx,$Ny); # Write it out
x = fsolve('f',x)';
end;
i=0;
for t=T'
i=i+1;
end;
write_matrix([T,x], '$1_odess');
write_matrix([T,y], '$1_odesso');
EOF
# Now invoke the standard error handling.
mtt_error mtt_error.txt