Nothing
# class: VanderpolMuTimeControl.R
# This is a modification of the original Vanderpol.R script
# In this version, we will add tha ability of setting mu and time lapse.
# This example is also shown in the Matlab help guide
library(rODE)
setClass("VanderPol", slots = c(
mu = "numeric"
),
contains = c("ODE")
)
setMethod("initialize", "VanderPol", function(.Object, ...) {
.Object@mu <- 1.0 # gravitation constant times combined mass
.Object@state <- vector("numeric", 3) # y1, y2, t
return(.Object)
})
setMethod("getState", "VanderPol", function(object, ...) {
# Gets the state variables.
return(object@state)
})
setMethod("getRate", "VanderPol", function(object, state, ...) {
# Computes the rate using the given state.
object@rate[1] <- state[2]
object@rate[2] <- object@mu * (1 - state[1]^2) * state[2] - state[1]
object@rate[3] <- 1
object@rate
})
# constructor
VanderPol <- function(y1, y2, mu = 1.0) {
VanderPol <- new("VanderPol")
VanderPol@state[1] = y1
VanderPol@state[2] = y2
VanderPol@state[3] = 0
VanderPol@mu = mu
return(VanderPol)
}
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.