Susceptible-Infected-Recovered-Susceptible Model
SIRS_ode(t, x, params)
| t | The timestep over which to calculate derivatives |
|---|---|
| x | A numeric vector of compartment populations. |
| params | A named vector of parameter values. |
A vector of derivatives
##Model Input S_0 <- 989 I_0 <- 1 R_0 <- 0 beta <- 3 chi <- 0.5 tau <- 2 dt <- 1 parameters <- c(beta = beta, tau = tau, chi = chi) inits <- c(S = S_0, I = I_0, R_0 = R_0) SIRS_ode(1, inits, parameters)#> [[1]] #> S S I #> -2.9969697 0.9969697 2.0000000 #>