Re: [R] Animation of Mandelbrot Set

From: ecoinfo <ecoinformatics_at_gmail.com>
Date: Thu 06 Oct 2005 - 21:22:30 EST

Very great job

On 10/4/05, Tuszynski, Jaroslaw W. <JAROSLAW.W.TUSZYNSKI@saic.com> wrote:
>
> Hi,
>
> I was playing with Mandelbrot sets and come up with the following code, I
> thought I would share:
>
> library(fields) # for tim.colors
> library(caTools) # for write.gif
> m = 400 # grid size
> C = complex( real=rep(seq(-1.8,0.6, length.out=m), each=m ),
> imag=rep(seq(-1.2,1.2, length.out=m), m ) )
> C = matrix(C,m,m)
> Z = 0
> X = array(0, c(m,m,20))
> for (k in 1:20) {
> Z = Z^2+C
> X[,,k] = exp(-abs(Z))
> }
> image(X[,,k], col=tim.colors(256)) # show final image in R
> write.gif(X, "Mandelbrot.gif", col=tim.colors(256), delay=100)

> # drop "Mandelbrot.gif" file from current directory on any web brouser to
> see the animation
>
> Jarek
> ====================================================\====
> Jarek Tuszynski, PhD. o / \
> Science Applications International Corporation <\__,|
> (703) 676-4192 "> \
> Jaroslaw.W.Tuszynski@saic.com ` \
>
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--
Xiaohua Dai, Dr.

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Received on Thu Oct 06 21:34:35 2005

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