File mttroot/mtt/bin/trans/sm2ir_m artifact f8ebca73f6 part of check-in d05cc3edaf

#! /bin/sh

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

# Bourne shell script: sm2ir_m

# Transforms descriptor matrix rep to step response


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


echo Creating $1_ir.m
echo Creating $1_iro.m
rm -f sm2ir_m.log
rm -f $1_ir.m
rm -f $1_iro.m
rm -f mtt_error

if [ "$2" = "" ]; 
then
  PARAMS='T=[0:0.1:10];u0=ones(nu,1);x0=zeros(nx,1);'
  echo Using default parameter $PARAMS
else
  PARAMS=$2;
fi

# PARAMS="$PARAMS ;"

$MATRIX << EOF > sm2ir_m.log 2>mtt_error.txt

  % Read in the numeric system 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('u0')==0
    u0 = ones(nu,1);
  end;

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


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

  [A,B,C,D] = $1_sm;
  [y,x] = sm2ir(A,B,C,D,T,u0,x0);

  if nx>0
    write_matrix([T x], '$1_ir');
  end;
  if ny>0
    write_matrix([T y], '$1_iro');
  end;

EOF

# Write info
touch mtt_info.txt
cat mtt_info.txt

# Now invoke the standard error handling.
mtt_error mtt_error.txt