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2012 Apr 25
1
Using apply() with a function involving ode()
...n for each set of parameter values. I am having trouble getting the apply() function to work. Here is an example. Consider an epidemiology model of West Nile Virus: wnv.model <- function(Time, State, Pars){ with(as.list(c(State, Pars)), { dSB <- -(alphaB*betaB*SB*IM)/(SB + IB) dIB <- (alphaB*betaB*SB*IM)/(SB + IB) - deltaB*IB dSM <- bM*(SM + EM + IM) - (alphaM*betaB*IB*SM)/(SB + IB) - dM*SM dEM <- (alphaM*betaB*SM*IB)/(SB + IB) - kappaM*EM - dM*EM dIM &lt...