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#! /bin/sh
# Shell script for running the large HeatedRod systems to compare
# four integration methods.
# Usage example: Run 100 0.25 runf the 100 segment example at interval 0.25
###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.1 1998/08/15 13:58:27 peterg
## Initial revision
##
###############################################################
n=$1
DT=$2
if [ -z "$n" ]; then
echo "First argument is N: number of segments (eg 100)"
exit
fi
if [ -z "$DT" ]; then
echo "Second argument is DT: the sample interval (eg 0.25)"
exit
fi
echo "Running system HR$1 with DT = $DT"
#Create the system
mtt -q rename HR HR$n >/dev/null
# Is it already correct?
count=`grep -c "*$n" HR$1_abg.fig`
# if not, then set the correct number of segments
if [ "$count" = "0" ]; then
echo Setting number of segments to $n
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#! /bin/sh
# Shell script for running the large HeatedRod systems to compare
# four integration methods.
# Usage example: Run 100 0.25 runf the 100 segment example at interval 0.25
###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.2 1998/08/15 14:07:11 peterg
## Don't do ImplicitL
##
## Revision 1.1 1998/08/15 13:58:27 peterg
## Initial revision
##
###############################################################
n=$1
DT=$2
if [ -z "$n" ]; then
echo "First argument is N: number of segments (eg 100)"
exit
fi
if [ -z "$DT" ]; then
echo "Second argument is DT: the sample interval (eg 0.25)"
exit
fi
if [ -z "$3" ]; then
METHODS='ImplicitS Euler Implicit'
else
METHODS=$3
fi
echo "Running system HR$1 with DT = $DT"
echo "using methods $METHODS"
#Create the system
mtt -q rename HR HR$n >/dev/null
rm -f MTT_work/HR$1_state.* #Why ??
# Is it already correct?
count=`grep -c "*$n" HR$1_abg.fig`
# if not, then set the correct number of segments
if [ "$count" = "0" ]; then
echo Setting number of segments to $n
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rm -f HR$1_state.txt MTT_work/HR$1_state.txt
mtt -q HR$1 state txt
echo "Setting $n states to c_t*t_0"
mv HR$1_state.txt HR$1_state.old
sed "s/0.0/c_t*t_0/"<HR$1_state.old >HR$1_state.txt
fi
echo Computing STEPFACTOR
mtt -q HR$n numpar m
mtt -q HR$n sm m
# What is the minimum step size for Euler? (and for sparse method)
octave -q <<EOF >HR$1.tmp1
HR$1_numpar;
A=HR$1_sm;
Max_Eig=max(eig(-A))
STEPFACTOR=ceil( Max_Eig*$DT/2 )
SparseSTEPFACTOR=5*$n # Emiprical!!
EOF
MinSTEPFACTOR=`awk '{if ($1=="STEPFACTOR") print $3}' HR$1.tmp1`
SparseSTEPFACTOR=`awk '{if ($1=="SparseSTEPFACTOR") print $3}' HR$1.tmp1`
#Set the methods of interest
METHODS='ImplicitS Euler Implicit'
for METHOD in $METHODS; do
case $METHOD in
Euler)
STEPFACTOR=$MinSTEPFACTOR
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rm -f HR$1_state.txt MTT_work/HR$1_state.txt
mtt -q HR$1 state txt
echo "Setting $n states to c_t*t_0"
mv HR$1_state.txt HR$1_state.old
sed "s/0.0/c_t*t_0/"<HR$1_state.old >HR$1_state.txt
fi
rm -f HR$1_table.txt
#Do the methods of interest
for METHOD in $METHODS; do
case $METHOD in
Euler)
# What is the minimum step size for Euler?
mtt -q HR$n numpar m
mtt -q HR$n sm m
octave -q <<EOF >HR$1.tmp1
HR$1_numpar;
A=HR$1_sm;
Max_Eig=max(eig(-A))
STEPFACTOR=ceil( Max_Eig*$DT/2 )
EOF
MinSTEPFACTOR=`awk '{if ($1=="STEPFACTOR") print $3}' HR$1.tmp1`
STEPFACTOR=$MinSTEPFACTOR
;;
ImplicitS)
# What is the empirical step size for sparse method?
octave -q <<EOF >HR$1.tmp1
if $n>100
SparseSTEPFACTOR=10*$n
else
SparseSTEPFACTOR=5*$n
endif
EOF
SparseSTEPFACTOR=`awk '{if ($1=="SparseSTEPFACTOR") print $3}' HR$1.tmp1`
STEPFACTOR=$SparseSTEPFACTOR
;;
*)
STEPFACTOR=1
;;
esac
echo "Doing HR$1 with DT=$DT using $METHOD (STEPFACTOR = $STEPFACTOR)"
# Modify the simpar.txt files
grep -v 'STEPFACTOR' HR_simpar.txt | grep -v 'METHOD' | grep -v 'DT' > HR$1_simpar.txt
echo "STEPFACTOR = $STEPFACTOR; # Added automatically" >>HR$1_simpar.txt
echo "METHOD = $METHOD; # Added automatically" >>HR$1_simpar.txt
echo "DT = $DT; # Added automatically" >>HR$1_simpar.txt
mtt -q -c -o HR$1 odeso ps > junk 2>>junk #HR$1_$METHOD.tmp
grep user junk |\
awk '{print System " &\t" METHOD " &\t" DT " &\t" STEPFACTOR " &\t" $2 "\\\\"}'\
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