File mttroot/mtt/bin/trans/dae2daes_m artifact df171652b5 part of check-in 855cdeb3cd

#! /bin/sh

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

# Bourne shell script: dae2daesol_m

# Transforms descriptor matrix rep to step response

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

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.3  1996/08/18 12:00:19  peter
## Unified format of responses.
##
## Revision 1.2  1996/08/16 13:17:57  peter
## Changed default args to include nx+nz
## Fixed bug with vector outputs.
##
## Revision 1.1  1996/08/15 16:24:55  peter
## Initial revision
##
###############################################################


echo Creating $1_daes.m
echo Creating $1_daeso.m
rm -f dae2daes_m.log
rm -f $1_daes.m
rm -f $1_daeso.m

if [ "$2" = "" ]; 
then
  PARAMS='T=[0:0.1:10];x0=zeros(nx+nz,1);dx0=zeros(nx+nz,1);'
  echo Using default parameter $PARAMS
else
  PARAMS=$2;
fi

PARAMS="$PARAMS ;"


$MATRIX << EOF > dae2daes_m.log 2>mtt_error

  %Read the parameters
  $1_numpar;

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

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

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

  if exist('dx0')==0
   dx0 = zeros(nx+nz,1);
  end;

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


if nx>0
  x = dassl('$1_dae', x0, dx0,  T);
  write_matrix([T,x], '$1_daes');
else
  x = zeros(size(T));
end;

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

EOF

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