File mttroot/mtt/bin/trans/ode2odes_m artifact 343f4ba5f7 part of check-in 5b25a5294f

#! /bin/sh

     ###################################### 
     ##### Model Transformation Tools #####
     ######################################

# Bourne shell script: ode2odes_m

# Transforms descriptor matrix rep to step response

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

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.5  1996/08/18 12:01:26  peter
## Unified format of time responses.
##
## 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_odes.m
rm -f ode2odes_m.log

if [ "$2" = "" ]; 
then
  PARAMS='T=[0:0.1:10]; x0=zeros(nx,1);'
  echo Using default parameter $PARAMS
else
  PARAMS=$2;
fi

PARAMS="$PARAMS ;"


$MATRIX << EOF > ode2odes_m.log 2>mtt_error

  %Read in parameters
  $1_numpar;

  [nx,ny,nu,nz,nyz] = $1_def;
  t=0;	%Just in case it appears in the parameter list.

  $PARAMS

  %Defaults
  if exist('T')==0
    T=[0:0.1:10]
  end;

  if exist('x0')==0
    x0 = zeros(nx,1);
  end;

  [n,m]=size(T);
  if m>n
    T=T';
  end;

if nx>0
  x = lsode('$1_ode', x0, T);
  write_matrix([T,x], '$1_odes');
else
  x = zeros(size(T));
end;

if ny>0
  i=0;
  for tt=T'
    i=i+1;
    y(i,:) = $1_odeo(x(i,:),tt)';
  end;
  write_matrix([T,y], '$1_odeso');
end;

EOF

err_length=$(wc -c <mtt_error)

# Test for errors and print if any
if [ $err_length != "0" ]
then
  echo MTT has failed with the following errors '...'
  cat mtt_error
  exit 1
else
  exit 0
fi