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#! /bin/sh
######################################
##### Model Transformation Tools #####
######################################
###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.9 1998/08/15 13:46:59 peterg
## New versions of integration routines
##
## Revision 1.8 1998/08/11 13:28:03 peterg
## Lowercase mttLAST etc
##
## Revision 1.7 1998/07/30 11:29:54 peterg
## Added implicit integration stuff
##
## Revision 1.6 1998/07/30 10:44:37 peterg
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sympar2global_txt2m $1 >> $1_ode2odes.m
# The rest of the program
cat << EOF >> $1_ode2odes.m
$1_simpar; # Read in simulation parameters
$1_numpar; # Read in parameters
MTTilast = round(mttlast/mttdt); # Total number of steps
MTTilast = round(mttlast/mttdt); # Total number of steps
#Initialise
MTTt = 0.0;
[MTTx] = $1_state; # Read in initial state
[MTTx] = $1_switch(MTTx); # Switches
[MTTu] = $1_input(MTTx,MTTt); # Evaluate initial input
[MTTy] = $1_odeo(MTTx,MTTu,MTTt); # Evaluate initial output
[MTTu] = $1_input(MTTx,MTTt); # Evaluate initial input
[MTTy] = $1_odeo(MTTx,MTTu,MTTt); # Evaluate initial output
mtt_write(MTTt,MTTx,MTTy,$Nx,$Ny); # And write them
[mttAA] = zero_matrix($Nx); # Zero the A matrix
[mttAAx] = zero_vector($Nx); # Zero the AAx vector
[mttAA] = zero_matrix($Nx); # Zero the A matrix
[mttAAx] = zero_vector($Nx); # Zero the AAx vector
if mttmethod==1 #Euler
if mttmethod==1 #Euler
mttsteps = mttstepfactor;
endif;
if mttmethod>1 #everything else
if mttmethod>1 #everything else
mttsteps = 1;
end;
mttddt = mttdt/mttsteps; # The small sample interval
mttddt = mttdt/mttsteps; # The small sample interval
if mttmethod==2 #Linear implicit
if mttmethod==2 #Linear implicit
mttAA = $1_smx(MTTx,MTTu,mttdt); # Set up AA= I-Adt matrix - linearised system
end;
#Integration loop
for MTTit = 1:MTTilast
if mttmethod==3 # nonlinear implicit
if mttmethod==3 # nonlinear implicit
[mttAA] = $1_smx(MTTx,MTTu,mttdt); # Set up AA=I-A*dt matrix - linearised system
end;
if mttmethod>1 # nonlinear implicit
if mttmethod>1 # nonlinear implicit
[mttAAx] = $1_smxx(MTTx,MTTu,MTTx,mttdt); # Set up AAx = AA*x vector - linearised system
end;
[MTTu] = $1_input(MTTx,MTTt);# Input
[MTTu] = $1_input(MTTx,MTTt); # Input
[MTTx] = $1_switch(MTTx); # Switches
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