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Re: mandelbrot [message #70441 is a reply to message #70436]

Wed, 14 April 2010 08:20

pgrigis
Messages: 436
Registered: September 2007

Senior Member

On Apr 14, 7:49 am, a <oxfordenergyservi...@googlemail.com> wrote:
> I was looking for a mandelbrot set generator for idl to show off idl
> to someone
>
> I found thishttp://rosettacode.org/wiki/Mandelbrot_set#IDLbut I
> remember seeing a more efficient version (just a few lines) once.
>
> anybody got a mandelbrot set generator in the fewest lines?
>
> Russ

This comes pretty close to a minimum set of commands:

;setup coordinates
x=findgen(512)/511*4-2
xx=x#(x*0+1)
zz=complex(xx,transpose(xx))
cc=zz

;compute set for n=100 iterations
niter=100
for i=0,niter-1 do zz=zz*zz+cc
inside=where(abs(zz) LE 2,complement=outside)

;this just for display
mand=xx*0
mand[inside]=1
tvscl,mand

Ciao,
Paolo

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[Message index]

		Re: mandelbrot By: pgrigis on Thu, 15 April 2010 07:16
		Re: mandelbrot By: d.poreh on Thu, 15 April 2010 01:39
		Re: mandelbrot By: pgrigis on Wed, 14 April 2010 08:20
		Re: mandelbrot By: d.poreh on Wed, 14 April 2010 05:33
		Re: mandelbrot By: d.poreh on Fri, 16 April 2010 06:44

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