animation (version 1.1-4)

BM.circle: Brownian Motion in a Circle...

Description

Brownian Motion in a Circle Several points moving randomly in a circle.

Usage

BM.circle(n=20, col=rainbow(n), ...)

Arguments

n

number of points

col

colors of points

...

other parameters passed to points

Value

• Invisible NULL.

Details

This is a solution to the question raised in R-help: https://stat.ethz.ch/pipermail/r-help/2008-December/183018.html.

References

http://animation.yihui.name/prob:brownian_motion_circle

See Also

brownian.motion, rnorm

Examples

oopt = ani.options(interval = 0.1, nmax = 300)
opar = par(mar = rep(0.5, 4))
BM.circle(cex = 2, pch = 19)

ani.options(ani.height = 450, ani.width = 450, 
interval = 0.05, nmax = 100, title = "Brownian Motion in a Circle", 
description = "Brownian Motion in a circle.")
ani.start()
par(mar = rep(0.5, 4))
BM.circle(cex = 2, pch = 19)
ani.stop()

par(opar)
ani.options(oopt)