Nothing

```
#
# vim:set ff=unix expandtab ts=2 sw=2:
ParallelModel=structure(function
### This function creates a numerical model for n independent (parallel) pools that can be queried afterwards.
### It is used by the convinient wrapper functions \code{\link{TwopParallelModel}} and \code{\link{ThreepParallelModel}}
### but can also be used independently.
(times, ##<< A vector containing the points in time where the solution is sought.
coeffs_tm, ##<< A TimeMap object consisting of a vector valued function containing the decay rates for the n pools as function of time and the time range where this function is valid. The length of the vector is equal to the number of pools.
startvalues, ##<< A vector containing the initial amount of carbon for the n pools.
##<<The length of this vector is equal to the number of pools and thus equal to the length of k. This is checked by the function.
inputrates, ##<< An object consisting of a vector valued function describing the inputs to the pools as funtions of time \code{\link{TimeMap.new}}
solverfunc =deSolve.lsoda.wrapper, ##<< The function used to actually solve the ODE system. This can be \code{\link{deSolve.lsoda.wrapper}} or any other user provided function with the same interface.
pass=FALSE ##<< if TRUE forces the constructor to create the model even if it is invalid
){
coeffs=getFunctionDefinition(coeffs_tm)
ns=length(startvalues)
nk=length(coeffs(1))
if (nk!=ns){
print("The vectors startvalues and coeffs are not of the same length")
}
A=function(t){diag(x=coeffs(t))}
tstart=getTimeRange(coeffs_tm)[[1]]
tend=getTimeRange(coeffs_tm)[[2]]
A_tm=BoundLinDecompOp(A,tstart,tend)
obj=Model(times,A_tm,startvalues,inputrates,solverfunc,pass)
### a model object
}
,ex=function(){
t_start=0
t_end=10
tn=50
timestep=(t_end-t_start)/tn
t=seq(t_start,t_end,timestep)
k=TimeMap.new(t_start,t_end,function(times){c(-0.5,-0.2,-0.3)})
c0=c(1, 2, 3)
#constant inputrates
inputrates=BoundInFlux(
function(t){matrix(nrow=3,ncol=1,c(1,1,1))},
t_start,
t_end
)
mod=ParallelModel(t,k,c0,inputrates)
Y=getC(mod)
lt1=1 ;lt2=2 ;lt3=3
col1=1; col2=2; col3=3
plot(t,Y[,1],type="l",lty=lt1,col=col1,
ylab="C stocks",xlab="Time")
lines(t,Y[,2],type="l",lty=lt2,col=col2)
lines(t,Y[,3],type="l",lty=lt3,col=col3)
legend(
"topleft",
c("C in pool 1",
"C in 2",
"C in pool 3"
),
lty=c(lt1,lt2,lt3),
col=c(col1,col2,col3)
)
Y=getAccumulatedRelease(mod)
plot(t,Y[,1],type="l",lty=lt1,col=col1,ylab="C release",xlab="Time")
lines(t,Y[,2],lt2,type="l",lty=lt2,col=col2)
lines(t,Y[,3],type="l",lty=lt3,col=col3)
legend("topright",c("R1","R2","R3"),lty=c(lt1,lt2,lt3),col=c(col1,col2,col3))
}
)
```

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