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Comment:Mods to integration methods
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SHA3-256: 3c8adbbfcc7fcaa6a08fca41c2be32eac4baccd2728a40913d587c6b6c01c771
User & Date: gawthrop@users.sourceforge.net on 1998-08-27 08:55:40
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Context
1998-08-31
10:49:15
Minor changes to -abg operation check-in: 77e68e13f0 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
1998-08-27
08:55:40
Mods to integration methods check-in: 3c8adbbfcc user: gawthrop@users.sourceforge.net tags: origin/master, trunk
08:33:21
New reduce integration methods - euler/Implicit only check-in: 1f43226f4f user: gawthrop@users.sourceforge.net tags: origin/master, trunk
Changes
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Modified mttroot/mtt/bin/trans/make_ode2odes from [84f8932a0c] to [b393691984]. 

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#! /bin/sh

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

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$



## Revision 1.10  1998/08/25 12:22:45  peterg
## Put _switch after update and also at initilisation
##
## 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












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#! /bin/sh

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

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.11  1998/08/25 12:28:31  peterg
## Move initila switch to after initial input
##
## Revision 1.10  1998/08/25 12:22:45  peterg
## Put _switch after update and also at initilisation
##
## 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
︙︙
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[MTTx] = $1_switch(MTTx);       # Switches
[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

if mttmethod==1			#Euler
  mttsteps = mttstepfactor;
endif;

if mttmethod>1			#everything else
  mttsteps = 1;
end;


mttddt = mttdt/mttsteps;	# The small sample interval

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
    [mttAA] = $1_smx(MTTx,MTTu,mttdt); # Set up AA=I-A*dt  matrix - linearised system
  end;
  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


  for MTTjt = 1:mttsteps
    [MTTdx] = $1_ode(MTTx,MTTu,MTTt); # State derivative
    [MTTx] = mtt_update(MTTdx,MTTx,mttAAx,mttAA,mttdt,mttstepfactor,$Nx,mttmethod);
    MTTt = MTTt + mttddt;
  end;








  [MTTx] = $1_switch(MTTx);	# Switches

  [MTTy] = $1_odeo(MTTx,MTTu,MTTt);
  mtt_write(MTTt,MTTx,MTTy,$Nx,$Ny);
end;

EOF












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[MTTx] = $1_switch(MTTx);       # Switches
[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

  if mttmethod==1		# Euler
    MTTddt = mttdt/mttstepfactor; # The small sample interval
  endif;












#Integration loop
for MTTit = 1:MTTilast







  [MTTu] = $1_input(MTTx,MTTt);	# Input

  if mttmethod==1		# Euler
    for MTTjt = 1:mttstepfactor
      [MTTdx] = $1_ode(MTTx,MTTu,MTTt); # State derivative
      [MTTx] = mtt_euler(MTTx,MTTdx,MTTddt,$Nx); # Euler update
      MTTt = MTTt + MTTddt;
    endfor;
  endif;
  if mttmethod==2		# Implicit 
    [MTTdx] = $1_ode(MTTx,MTTu,MTTt); # State derivative
    [mttAA,mttAAx] = $1_smx(MTTx,MTTu,mttdt);	# (I-Adt) and (I-Adt)x
    [MTTx] = mtt_implicit(MTTx,MTTdx,mttAA,mttAAx,mttdt,$Nx); # Implicit update
    MTTt = MTTt + mttdt;
  endif;

  [MTTx] = $1_switch(MTTx);	# Switches

  [MTTy] = $1_odeo(MTTx,MTTu,MTTt);
  mtt_write(MTTt,MTTx,MTTy,$Nx,$Ny);
endfor;				# Integration loop

EOF

Modified mttroot/mtt/bin/trans/mtt_m2p from [1ec895e0c4] to [acbac27d53].

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# Copyright (c) P.J.Gawthrop 1998

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$



## Revision 1.16  1998/08/19 08:46:00  peterg
## Now translates ; % to #
##
## Revision 1.15  1998/08/15 13:46:01  peterg
## Included new sparse update routines
##
## Revision 1.14  1998/08/12 15:21:12  peterg








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# Copyright (c) P.J.Gawthrop 1998

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.17  1998/08/27 07:38:40  peterg
## About to change to new integration (Euler/Implicit only)
##
## Revision 1.16  1998/08/19 08:46:00  peterg
## Now translates ; % to #
##
## Revision 1.15  1998/08/15 13:46:01  peterg
## Included new sparse update routines
##
## Revision 1.14  1998/08/12 15:21:12  peterg
︙︙
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    odeo)
	echo "PROCEDURE $Sys_rep(VAR mtty : OutputVector;"
	echo "                       mttx : StateVector;"
	echo "                       mttu : InputVector;"
	echo "                       mttt : REAL);"
	;;
    smx)
	echo "PROCEDURE $Sys_rep(VAR mtta : StateMatrix;"
	echo "                   VAR mttx : StateVector;"
	echo "                   VAR mttu : InputVector;"
	echo "                       mttdt : REAL);"
	;;
    smxx|smxtx)
	echo "PROCEDURE $Sys_rep(VAR mttax : StateVector;"
	echo "                       mttx  : StateVector;"
	echo "                       mttu  : InputVector;"
	echo "                       mttxx : StateVector;"
	echo "                       mttdt : REAL);"
	;;
    ode2odes)
	echo "PROGRAM $Sys_rep;"
	echo "TYPE"
	echo "    StateVector  = ARRAY[1..$Nx] OF REAL;"
	echo "    InputVector  = ARRAY[1..$Nu] OF REAL;"
	echo "    OutputVector = ARRAY[1..$Ny] OF REAL;"








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    odeo)
	echo "PROCEDURE $Sys_rep(VAR mtty : OutputVector;"
	echo "                       mttx : StateVector;"
	echo "                       mttu : InputVector;"
	echo "                       mttt : REAL);"
	;;
    smx)
	echo "PROCEDURE $Sys_rep(VAR mtta       : StateMatrix;"
	echo "                   VAR mttax,mttx : StateVector;"
	echo "                   VAR mttu       : InputVector;"




	echo "                       mttdt      : REAL);"



	;;
    ode2odes)
	echo "PROGRAM $Sys_rep;"
	echo "TYPE"
	echo "    StateVector  = ARRAY[1..$Nx] OF REAL;"
	echo "    InputVector  = ARRAY[1..$Nu] OF REAL;"
	echo "    OutputVector = ARRAY[1..$Ny] OF REAL;"
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        doing_header = 1
      }
    }
    else 
    {
      if (doing_header==1){
        if (rep=="ode2odes"){
          printf("VAR ");
          for (k=1;k<i;k++) printf("%s,",global[k])
          printf("%s : REAL;\n", global[i])
          printvar("x",Nx);
          printvar("u",Nu);
          printvar("y",Ny);
          printvar("_t",Nt);

          printf("\n{%s %s_smx.p}\n",inc,sys)
          printf("{%s %s_smxx.p}\n",inc,sys)
          printf("{%s %s_smxtx.p}\n\n",inc,sys)

          printf("\nPROCEDURE mtt_asub(VAR x,y : StateVector; n : INTEGER);\n");
          printf("{Sparse update routine -- y = Ax}\n");
          printf("BEGIN {asub}\n");
          printf("  %s_smxx(y,mttx,mttu,x,mttdt);\n", Sys);
          printf("END {asub};\n");
          printf("\nPROCEDURE mtt_atsub(VAR x,y : StateVector; n : INTEGER);\n");
          printf("{Sparse update routine -- y = ATx}\n");
          printf("BEGIN {atsub}\n");
          printf("  %s_smxtx(y,mttx,mttu,x,mttdt);\n", Sys);
          printf("END {atsub};\n\n");

          printf("\n{%s sign.p}\n",inc,sys)
          printf("{%s mtt_update.p}\n",inc)

          printf("{%s mtt_write.p}\n",inc)
          printf("{%s zero_matrix.p}\n",inc)
          printf("{%s zero_vector.p}\n",inc)
          printf("{%s %s_simpar.p}\n",inc,sys) 
          printf("{%s %s_numpar.p}\n",inc,sys)
          printf("{%s %s_state.p}\n",inc,sys)
          printf("{%s %s_input.p}\n",inc,sys)








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        doing_header = 1
      }
    }
    else 
    {
      if (doing_header==1){
        if (rep=="ode2odes"){
          printf("VAR \n");
          for (k=1;k<i;k++) printf("  %s,\n",global[k])
          printf("%s : REAL;\n", global[i])
          printvar("x",Nx);
          printvar("u",Nu);
          printvar("y",Ny);
          printvar("_t",Nt);

          printf("\n{%s %s_smx.p}\n",inc,sys)














          printf("\n{%s sign.p}\n",inc,sys)
          printf("{%s mtt_euler.p}\n",inc)
          printf("{%s mtt_implicit.p}\n",inc)
          printf("{%s mtt_write.p}\n",inc)
          printf("{%s zero_matrix.p}\n",inc)
          printf("{%s zero_vector.p}\n",inc)
          printf("{%s %s_simpar.p}\n",inc,sys) 
          printf("{%s %s_numpar.p}\n",inc,sys)
          printf("{%s %s_state.p}\n",inc,sys)
          printf("{%s %s_input.p}\n",inc,sys)
︙︙

MTT: Model Transformation Tools
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