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Re: spiral cipher

• To: mathgroup at smc.vnet.net
• Subject: [mg55975] Re: spiral cipher
• From: Paul Abbott <paul at physics.uwa.edu.au>
• Date: Tue, 12 Apr 2005 05:26:44 -0400 (EDT)
• Organization: The University of Western Australia
• References: <200504070910.FAA12922@smc.vnet.net> <200504080536.BAA25092@smc.vnet.net> <d382rv$cdp$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

In article <d382rv$cdp$1 at smc.vnet.net>, János <janos.lobb at yale.edu> 
wrote:

> It is interesting to see it with different bases.  For example with  
> base 4
> 
> dat = First[RealDigits[Pi, 4, 15000]];
> 
> you get the upside down Americas.
> 
> It is very sensitive for base change, even after 15000.
> 
> Now if you add
> 
> In[5]:=
> << "DiscreteMath`GraphPlot`"
> In[72]:=
> datgp = (#1[[1]] ->
>        #1[[2]] & ) /@
>      Partition[dat, 2, 1];

You could just write

  datgp = Rule @@@ Partition[dat, 2, 1];

Cheers,
Paul

-- 
Paul Abbott                                   Phone: +61 8 6488 2734
School of Physics, M013                         Fax: +61 8 6488 1014
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• References:
  • Re: spiral cipher
    • From: zak <chocolatez@gmail.com>
  • Re: Re: spiral cipher
    • From: DrBob <drbob@bigfoot.com>