R/SEIR_demo_ode.R
SEIR_demo_ode.Rd
A Simple Susceptible-Exposed-Infected-Recovered Infectious Disease Model with Simple Demographics
SEIR_demo_ode(t, x, params)
t | The timestep overwhich to calculate derivatives |
---|---|
x | A numeric vector of compartment populations. |
params | A named vector of paramter values. |
A vector of derivatives
##Model Input S_0 <- 989 E_0 <- 10 I_0 <- 1 R_0 <- 0 beta <- 3 gamma <- 1/2 tau <- 2 mu <- 1/81 dt <- 1 parameters <- c(beta = beta, gamma = gamma, tau = tau, mu = mu) inits <- c(S = S_0, E = E_0, I = I_0, R_0 = R_0) SEIR_demo_ode(1, inits, parameters)#> [[1]] #> S S E I #> -2.831198 -2.156457 2.987654 2.000000 #>