Index: mttroot/mtt/bin/trans/make_ode2odes ================================================================== --- mttroot/mtt/bin/trans/make_ode2odes +++ mttroot/mtt/bin/trans/make_ode2odes @@ -7,10 +7,13 @@ ############################################################### ## 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 @@ -53,54 +56,56 @@ # 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 -[MTTu] = $1_input(MTTx,MTTt); # Evaluate initial input -[MTTy] = $1_odeo(MTTx,MTTu,MTTt); # Evaluate initial output +[MTTx] = $1_switch(MTTx); # Switches +[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 - [MTTx] = $1_switch(MTTx); # Switches + [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;