Article View: sci.fractals
Article #456Re: Mapping periodicity of Mandelbrot
From: Jay R. Hill
Date: Fri, 09 Apr 1993 16:49
Date: Fri, 09 Apr 1993 16:49
22 lines
1542 bytes
1542 bytes
In article <C56nn8.Gwn@raistlin.udev.cdc.com>, molson@bml4380.cpg.cdc.com (Mark Olson) writes:
|>
...
|> I have produced an image of the Mandelbrot set that
|> also includes pixel values computed from the number
|> of interations required before the point enters a periodic
|> orbit.
Since the orbit enters its periodic state (usually) asymtotically,
how can you tell when it gets there. It depends to how precisly
you want it to be repeating itsself.
|>
...
|>
|> Mark Olson
Jay Hill
--
{ hilljr@jupiter.saic.com } begin writeln(3*ln(640320)/sqrt(163):17:15) end.
void main(){double sqrt(), y=1/sqrt(2.), a=.5, m=1,z; int n=0;
for(;m*=2,z=sqrt(1-y*y),y=(1-z)/(1+z),a=a*(1+y)*(1+y)-m*y,n<3;n++);
printf("%17.15lf\n",1/a);}
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<1993Apr9.164952.9758@ast.saic.com>Path:
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10ed18,66271554609bff32 X-Google-Attributes: gid10ed18,public X-Google-Thread: ff06e,c921b27ffde3a22c,start X-Google-Attributes: gidff06e,public X-Google-ArrivalTime: 1993-04-09 10:03:02 PST Newsgroups: sci.fractals,bit.listserv.frac-l Path: arc1-ca.pugleaf.net!gmd.de!newsserver.jvnc.net!howland.reston.ans.net!noc.near.net!uunet!news!news.world.net!connected.com!mvb.saic.com!ast.saic.com!jupiter!hilljr From: hilljr@jupiter.saic.com (Jay R. Hill) Subject: Re: Mapping periodicity of Mandelbrot Message-ID: <1993Apr9.164952.9758@ast.saic.com> Followup-To: sci.fractals,bit.listserv.frac- Lines: 22 Sender: news@ast.saic.com Organization: SAIC References: <C56nn8.Gwn@raistlin.udev.cdc.com> Date: Fri, 9 Apr 1993 16:49:52 GMT