Susceptible-Infected Model with Simple Demographics

SI_demographics_ode(t, x, params)

Arguments

t

The timestep over which to calculate derivatives

x

A numeric vector of compartment populations.

params

A named vector of parameter values.

Value

A vector of derivatives

Examples

##Model Input S_0 <- 999 I_0 <- 1 beta <- 3 mu <- 1/81 parameters <- c(beta = beta, mu = mu) inits <- c(S = S_0, I = I_0) SI_demographics_ode(1, inits, parameters)
#> [[1]] #> S S #> -2.984654 2.984654 #>