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| From | Tim Rentsch <tr.17687@z991.linuxsc.com> |
|---|---|
| Newsgroups | comp.arch |
| Subject | Re: A useless machine |
| Date | 2026-03-12 21:11 -0700 |
| Organization | A noiseless patient Spider |
| Message-ID | <86ldfw74hl.fsf@linuxsc.com> (permalink) |
| References | (5 earlier) <10nd2e6$1gl20$1@dont-email.me> <10nf15f$256q4$1@dont-email.me> <10nfinr$2ao8l$1@dont-email.me> <10nh7uh$2sbtq$1@dont-email.me> <1772069274-5857@newsgrouper.org> |
MitchAlsup <user5857@newsgrouper.org.invalid> writes:
> David Brown <david.brown@hesbynett.no> posted:
>
>> On 22/02/2026 19:38, BGB wrote:
>>
>>> I was initially seeing it more like a very large hash table.
>>> But, I have since realized it is not a hash table, it is a more
>>> organized pattern.
>>
>> As far as we know, the result of apply the Collatz function
>> (calculating the number of steps to reach 1, if it ever does)
>> follows a pattern statistically but not any clear pattern for
>> individual values. There are a lot of mathematical functions like
>> that - a good example being the number of prime factors in a
>> number. You can draw graphs and visually see nice patterns - some
>> of which can be proven, others are still unproven and may not apply
>> over a big enough scale. Sometimes there are tricks or hints to
>> ways to improve your chances when guessing which values might be
>> outliers.
>
> Given by definition: even: n = n/2
> odd: n = 3xn+1 {which is even}
>
> The most one can get out of an iteration is nx1.5 {for large n}
> while the most one can loose from an iteration is n/2
>
> So, there will be vanishingly small numbers of n which see the odd
> iteration enough times to out weight the even iterations. Thus one
> would expect the conjecture is true.
Unfortunately this kind of reasoning isn't very compelling. It's
easy to find examples of propositions, even just on integers, that
are true almost everywhere and yet are not true everywhere.
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A useless machine Thomas Koenig <tkoenig@netcologne.de> - 2026-02-14 09:57 +0000
Re: A useless machine MitchAlsup <user5857@newsgrouper.org.invalid> - 2026-02-14 18:48 +0000
Re: A useless machine David Brown <david.brown@hesbynett.no> - 2026-02-14 20:18 +0100
Re: A useless machine MitchAlsup <user5857@newsgrouper.org.invalid> - 2026-02-14 21:22 +0000
Re: A useless machine Stephen Fuld <sfuld@alumni.cmu.edu.invalid> - 2026-02-14 13:30 -0800
Re: A useless machine David Brown <david.brown@hesbynett.no> - 2026-02-15 12:50 +0100
Re: A useless machine BGB <cr88192@gmail.com> - 2026-02-21 13:48 -0600
Re: A useless machine Terje Mathisen <terje.mathisen@tmsw.no> - 2026-02-21 21:40 +0100
Re: A useless machine BGB <cr88192@gmail.com> - 2026-02-21 15:17 -0600
Re: A useless machine BGB <cr88192@gmail.com> - 2026-02-22 04:50 -0600
Re: A useless machine Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-03-12 21:01 -0700
Re: A useless machine David Brown <david.brown@hesbynett.no> - 2026-02-22 14:43 +0100
Re: A useless machine BGB <cr88192@gmail.com> - 2026-02-22 12:38 -0600
Re: A useless machine David Brown <david.brown@hesbynett.no> - 2026-02-23 10:51 +0100
Re: A useless machine MitchAlsup <user5857@newsgrouper.org.invalid> - 2026-02-26 01:27 +0000
Re: A useless machine David Brown <david.brown@hesbynett.no> - 2026-02-26 09:21 +0100
Re: A useless machine Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-03-12 21:11 -0700
Re: A useless machine Terje Mathisen <terje.mathisen@tmsw.no> - 2026-02-15 14:58 +0100
Re: A useless machine BGB <cr88192@gmail.com> - 2026-02-21 12:27 -0600
Re: A useless machine David Brown <david.brown@hesbynett.no> - 2026-02-22 15:14 +0100
Re: A useless machine Stefan Monnier <monnier@iro.umontreal.ca> - 2026-02-22 11:41 -0500
Re: A useless machine David Brown <david.brown@hesbynett.no> - 2026-02-23 10:53 +0100
Re: A useless machine Stefan Monnier <monnier@iro.umontreal.ca> - 2026-02-23 10:52 -0500
Re: A useless machine Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-02-14 21:19 -0800
Re: A useless machine Robert Finch <robfi680@gmail.com> - 2026-02-15 03:58 -0500
Re: A useless machine David Brown <david.brown@hesbynett.no> - 2026-02-15 13:14 +0100
Re: A useless machine Thomas Koenig <tkoenig@netcologne.de> - 2026-02-15 15:46 +0000
Re: A useless machine Robert Finch <robfi680@gmail.com> - 2026-02-15 10:56 -0500
Re: A useless machine MitchAlsup <user5857@newsgrouper.org.invalid> - 2026-02-15 19:16 +0000
Re: A useless machine Terje Mathisen <terje.mathisen@tmsw.no> - 2026-02-15 22:40 +0100
Re: A useless machine Thomas Koenig <tkoenig@netcologne.de> - 2026-02-26 19:31 +0000
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-18 18:22 +0200
Re: A useless machine Robert Finch <robfi680@gmail.com> - 2026-02-18 22:56 -0500
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-19 12:10 +0200
Re: A useless machine Robert Finch <robfi680@gmail.com> - 2026-02-21 01:56 -0500
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-21 19:23 +0200
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-21 20:36 +0200
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-22 10:46 +0200
Re: A useless machine Terje Mathisen <terje.mathisen@tmsw.no> - 2026-02-22 12:45 +0100
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-22 16:35 +0200
Re: A useless machine Robert Finch <robfi680@gmail.com> - 2026-02-22 19:12 -0500
Re: A useless machine Robert Finch <robfi680@gmail.com> - 2026-02-22 19:47 -0500
Re: A useless machine EricP <ThatWouldBeTelling@thevillage.com> - 2026-02-21 15:39 -0500
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-22 03:16 +0200
Re: A useless machine EricP <ThatWouldBeTelling@thevillage.com> - 2026-02-22 14:48 -0500
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-22 23:25 +0200
Re: A useless machine Terje Mathisen <terje.mathisen@tmsw.no> - 2026-02-19 11:51 +0100
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-19 23:12 +0200
Re: A useless machine Terje Mathisen <terje.mathisen@tmsw.no> - 2026-02-20 15:11 +0100
Re: A useless machine Stefan Monnier <monnier@iro.umontreal.ca> - 2026-02-19 15:27 -0500
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-20 11:41 +0200
Re: A useless machine BGB <cr88192@gmail.com> - 2026-02-22 18:41 -0600
Re: A useless machine Thomas Koenig <tkoenig@netcologne.de> - 2026-02-23 11:10 +0000
Re: A useless machine BGB <cr88192@gmail.com> - 2026-02-23 17:24 -0600
Re: A useless machine Thomas Koenig <tkoenig@netcologne.de> - 2026-02-24 06:44 +0000
Re: A useless machine BGB <cr88192@gmail.com> - 2026-02-24 01:38 -0600
Re: A useless machine BGB <cr88192@gmail.com> - 2026-02-24 03:16 -0600
Re: A useless machine BGB <cr88192@gmail.com> - 2026-02-24 04:52 -0600
Re: A useless machine Thomas Koenig <tkoenig@netcologne.de> - 2026-02-24 11:16 +0000
Re: A useless machine BGB <cr88192@gmail.com> - 2026-02-24 13:19 -0600
Re: A useless machine Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-03-12 21:14 -0700
Re: A useless machine Thomas Koenig <tkoenig@netcologne.de> - 2026-02-20 08:01 +0000
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-15 15:35 +0200
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-15 18:33 +0200
Re: A useless machine Thomas Koenig <tkoenig@netcologne.de> - 2026-02-15 19:19 +0000
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-16 12:31 +0200
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-17 15:41 +0200
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-17 18:17 +0200
Re: A useless machine anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-02-15 22:41 +0000
Re: A useless machine Terje Mathisen <terje.mathisen@tmsw.no> - 2026-02-15 14:52 +0100
Re: A useless machine Thomas Koenig <tkoenig@netcologne.de> - 2026-02-15 16:45 +0000
Re: A useless machine Terje Mathisen <terje.mathisen@tmsw.no> - 2026-02-15 18:01 +0100
Re: A useless machine Thomas Koenig <tkoenig@netcologne.de> - 2026-02-15 19:42 +0000
Re: A useless machine Terje Mathisen <terje.mathisen@tmsw.no> - 2026-02-15 22:59 +0100
Re: A useless machine Robert Finch <robfi680@gmail.com> - 2026-02-15 21:53 -0500
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-16 12:40 +0200
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-16 20:34 +0200
Re: A useless machine Terje Mathisen <terje.mathisen@tmsw.no> - 2026-02-16 16:08 +0100
Re: A useless machine Stephen Fuld <sfuld@alumni.cmu.edu.invalid> - 2026-02-16 07:50 -0800
Re: A useless machine Michael S <already5chosen@yahoo.com> - 2026-02-16 18:31 +0200
Re: A useless machine Terje Mathisen <terje.mathisen@tmsw.no> - 2026-02-18 21:56 +0100
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