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Re: Bijective basechanger

Newsgroups comp.lang.javascript
Date 2014-06-18 18:25 -0700
References (6 earlier) <89156a84-6fa7-4b79-9a4c-f53686792543@googlegroups.com> <e9444b01-8627-462c-94bd-1190f99d9665@googlegroups.com> <elegant-20140619013555@ram.dialup.fu-berlin.de> <b32df68c-6409-4cee-a8f0-4ba4ce910f9e@googlegroups.com> <5c01b6fc-07d5-42ff-b451-af1d01768161@googlegroups.com>
Message-ID <178ea025-ac87-4aec-a3f1-5d76104c99e7@googlegroups.com> (permalink)
Subject Re: Bijective basechanger
From jonas.thornvall@gmail.com

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Den torsdagen den 19:e juni 2014 kl. 03:19:54 UTC+2 skrev jonas.t...@gmail.com:
> Den torsdagen den 19:e juni 2014 kl. 03:05:28 UTC+2 skrev jonas.t...@gmail.com:
> 
> > Den torsdagen den 19:e juni 2014 kl. 01:37:24 UTC+2 skrev Stefan Ram:
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> > 
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> > > "Michael Haufe (TNO)" <tno@thenewobjective.com> writes:
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> > > >On Wednesday, June 18, 2014 3:04:08 PM UTC-5, jonas.t...@gmail.com wrote:
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> > > >>Isn't it just A8AA1A134; convert each (non-leading) 0 into
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> > > 
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> > > >>an A and subtract one from the number to its left, iterating
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> > > >>if necessary? 
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> > > 
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> > > >>Simple and elegant.
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> > > >It makes an assumption about the base used which makes me
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> > > >skeptical of its applicability beyond this specific case. 
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> > >   The observation of the person you quote could possibly be
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> > >   correct. But nothing is �simple and elegant� unless it has
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> > >   actually become manifest as JavaScript source code that can
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> > >   be executed under a common modern implementation and pass
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> > > 
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> > >   some tests. (If the solution is really so �simple�, then
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> > >   writing this should be simple!) Here are some test cases:
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> > > 
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> > > 1 A
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> > > 
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> > > 26 Z
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> > > 
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> > > 27 AA
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> > > 
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> > > 99 CU
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> > > 
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> > > 100 CV
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> > > 
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> > > 101 CW
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> > > 
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> > > 701 ZY
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> > > 
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> > > 702 ZZ
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> > > 
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> > > 703 AAA
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> > > 
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> > > 704 AAB
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> > > 99997 EQXA
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> > > 99998 EQXB
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> > Stefan would you please use the hex notation like my example, so that 10 equals A, 11 equal B and so on.
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> > Is that base 26? 
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> > ZZ=26*26+26=702
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> > As an extended hex
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> > 10=A
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> > 11=B
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> > 12=C
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> > 13=D
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> > 14=E
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> > 15=F
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> > 16=G
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> > 17=H
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> > 18=I
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> > 19=J
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> > 20=K
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> > 21=L
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> > 22=M
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> > 23=N
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> > 24=O
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> > 25=P
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> > 26=Q
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> > Or coma separated digit pairs work also good.
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> Just to be a bit annoying not about JavaScript but about our casual experience and notion of numbers i want to say there is NOT a single 0 in 
> 
> 10,100,1000,10 000... 
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> And so on numbers are really sets of elements that we can arrange geometrically. 
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> 
> 
> A^1, A^2, A^3, A^4 and there is not a single zero in sight.

Getting the pebbles arranged into A^4 seem a bit hard though ;D

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Thread

Bijective basechanger jonas.thornvall@gmail.com - 2014-06-17 06:42 -0700
  Re: Bijective basechanger "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2014-06-17 12:08 -0700
    Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-17 13:23 -0700
      Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-17 13:24 -0700
      Re: Bijective basechanger "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2014-06-17 13:54 -0700
        Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-17 14:07 -0700
          Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-17 14:15 -0700
            Re: Bijective basechanger John Harris <niam@jghnorth.org.uk.invalid> - 2014-06-23 17:23 +0100
        Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-17 14:23 -0700
        Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-17 14:41 -0700
          Re: Bijective basechanger "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2014-06-17 20:28 -0700
            Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-18 13:04 -0700
              Re: Bijective basechanger "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2014-06-18 16:30 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-18 17:45 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-18 17:49 -0700
                Re: Bijective basechanger "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2014-06-19 11:21 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-19 14:44 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-19 14:48 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-19 14:55 -0700
                Re: Bijective basechanger "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2014-06-19 19:59 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-21 09:25 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-21 11:15 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-18 18:05 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-18 18:19 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-18 18:25 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-18 18:46 -0700
            Re: Bijective basechanger "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2014-06-23 16:00 -0700
              Re: Bijective basechanger "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2014-06-23 17:51 -0700
  Re: Bijective basechanger John Harris <niam@jghnorth.org.uk.invalid> - 2014-06-23 17:18 +0100
    Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-23 11:27 -0700
  Re: Bijective basechanger Scott Sauyet <scott.sauyet@gmail.com> - 2014-06-23 15:29 -0700
    Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-24 03:26 -0700
      Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-24 03:28 -0700
      Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-24 04:24 -0700
        Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-24 05:36 -0700
        Re: Bijective basechanger Scott Sauyet <scott.sauyet@gmail.com> - 2014-06-24 13:05 -0700
          Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-24 14:13 -0700
            Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-25 05:36 -0700
            Re: Bijective basechanger Scott Sauyet <scott.sauyet@gmail.com> - 2014-06-25 12:45 -0700
              Re: Bijective basechanger Scott Sauyet <scott.sauyet@gmail.com> - 2014-06-25 13:15 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-07-01 02:39 -0700
                Re: Bijective basechanger Scott Sauyet <scott.sauyet@gmail.com> - 2014-07-03 07:33 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-07-03 09:54 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-07-04 02:14 -0700
                Re: Bijective basechanger Scott Sauyet <scott.sauyet@gmail.com> - 2014-07-05 12:12 -0700
                Re: Bijective basechanger "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-07-05 22:19 +0200
                Re: Bijective basechanger Scott Sauyet <scott.sauyet@gmail.com> - 2014-07-05 13:50 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-07-06 11:11 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-07-06 14:59 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-07-06 15:00 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-07-06 15:02 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-07-16 23:31 -0700
                Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-07-04 02:28 -0700
                Re: Bijective basechanger Scott Sauyet <scott.sauyet@gmail.com> - 2014-07-05 12:14 -0700
          Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-25 22:38 -0700
    Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-24 03:32 -0700
    Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-24 03:44 -0700
    Re: Bijective basechanger jonas.thornvall@gmail.com - 2014-06-24 11:10 -0700
      Re: Bijective basechanger Scott Sauyet <scott.sauyet@gmail.com> - 2014-06-24 11:45 -0700
  Re: Bijective basechanger "Chris M. Thomasson" <no@spam.invalid> - 2014-07-22 12:16 -0700

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