#! /bin/sh

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

# Bourne shell script: dm2sr
# Bourne shell script: dm2sr_m

# Transforms descriptor matrix rep to step response


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

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.5  1996/08/12 20:19:06  peter
## Fiddled about with parameter passing - still not right
##
## Revision 1.4  1996/08/11 19:48:04  peter
## Parameter passing added.
##
## Revision 1.3  1996/08/11 10:38:30  peter
## Minor debugging changes.
##
## Revision 1.2  1996/08/11 10:06:50  peter
## Now allows e format and NaN numbers.
##
## Revision 1.1  1996/08/11 09:45:46  peter
## Initial revision
##
###############################################################

echo Creating $1_sr.dat

echo Creating $1_sr.m
rm -f dm2sr_m.log

if [ "$2" = "" ]; 
then
  PARAMS='t=[0:0.1:10]'
  echo Using default parameter $PARAMS
else
  PARAMS=$2;
fi

PARAMS="$PARAMS ;"
echo $PARAMS

$MATRIX << EOF  | awk '$1 !~ /[A-MO-Zb-cf-z]/ && NF>0 {print} '  >$1_sr.dat
$MATRIX << EOF > dm2sr_m.log

  $PARAMS
  [n,m]=size(t);
  if m>n
    t=t';
  end;

  [A,B,C,D,E] = $1_dm($1_numpar);
  y = dm2sr(A,B,C,D,E,t);

  [Ny,Nu]=size(D);
  NN = Ny*Nu;

  xy = [t y(:,1)];
  for i=2:NN
    xy = [xy t y(:,i)];
    xy = [xy y(:,i)];
  end;

xy

write_matrix(xy, '$1_sr');

EOF