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Groups > sci.physics.relativity > #582802
| From | Thomas Heger <ttt_heg@web.de> |
|---|---|
| Newsgroups | sci.physics.relativity |
| Subject | Re: Annotated version of SRT |
| Date | 2022-04-14 08:21 +0200 |
| Message-ID | <jbpsqoFhdcuU1@mid.individual.net> (permalink) |
| References | (21 earlier) <1pq91fs.12jj83msllygjN%nospam@de-ster.demon.nl> <jbjco5F9lnqU1@mid.individual.net> <t32ph7$ut3$1@dont-email.me> <jbn6ilF1fe0U1@mid.individual.net> <t35urv$oju$1@dont-email.me> |
Am 13.04.2022 um 09:41 schrieb Reinhardt Behm:
> On Wed, 13 Apr 2022 07:49:13 +0200, Thomas Heger wrote:
>
>> Am 12.04.2022 um 04:52 schrieb Reinhardt Behm:
>>> On Mon, 11 Apr 2022 21:09:59 +0200, Thomas Heger wrote:
>>>
>>>
>>>>>> Have you even understood what this text means? It has nothing to do
>>>>>> with the dimensions of the components of the vector.
>>>>>> Your reading comprehension is as bad as your logical reasoning.
>>>>
>>>> Actually I have written about my understand of vectors before I have
>>>> read that article.
>>>>
>>>> I just wanted to mention, that wikipedia actually wrote almost the
>>>> same as I did.
>>>
>>> For very special meanings of "almost".
>>>
>> I had explained, what I understood as the meaning of the term 'vector'
>> and 'vectorial quantity in physics'.
>>
>> This was my expression of my own understanding, which is almost the same
>> as what wikipedia wrote.
>>
>> Therefore my intuitive understanding cannot be entirely wrong, what
>> 'Python' meant with *facepalm*.
>>
>> So, apparently Python's intuition is wrong, because he thought, that
>> mine was funny.
>>
>> To enhance his awakening phase, I suggested he should slap harder.
>
> You explicitly cited this paragraph of a Wikipedia article as
> confirmation of your nonsensic claim that vector components are
> dimensionless numbers. The cited text does in no way have anything to do
> with your claim.
No, that was NOT my claim.
E.g. (1,2,3) is not a vector, but a short text.
It is a representation of a vector in textual form. The qualifier
'vector' stems from the use of that text in a certain context.
This context includes a coordinate system, which the entries in the
vector adress.
The entries can be numbers, but other types of mathematical objects are
also possible.
The coordinate system is not necessarily normed with spatial units, but
other units like e.g. V/m are also possible.
In this case the entries can be simple numbers, because the vector
inherits the units from the coordinate system.
'Components of vectors' is usually not meant as e.g. '(' or a komma,
even if in a way they are a parts of a vector, too.
Meant is usually the fact, that vectorial quantities like force can be
added, hence can be represented by adding vectorial components, which
aligne with spatial axes.
These components are vectors themselves (actually 'vectorial
quantities'), which aligne with the axes of the spatial coordinate
system, say x, y and z.
But if you now write a vector (A, B, C) and use the symbol 'A'
afterwards, you mean the entry A in the textual representation and not
the vector (A,0,0).
If you want to adress the component (A,0,0), you can do that, just by
saying so.
And if you don't, you mean the value of A.
...
TH
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Re: Annotated version of SRT Python <python@example.invalid> - 2022-04-09 14:36 +0200
Re: Annotated version of SRT Maciej Wozniak <maluwozniak@gmail.com> - 2022-04-09 06:18 -0700
Re: Annotated version of SRT Thomas Heger <ttt_heg@web.de> - 2022-04-10 08:49 +0200
Re: Annotated version of SRT Maciej Wozniak <maluwozniak@gmail.com> - 2022-04-09 23:52 -0700
Re: Annotated version of SRT Python <python@example.invalid> - 2022-04-10 12:54 +0200
Re: Annotated version of SRT Python <python@example.invalid> - 2022-04-10 12:51 +0200
Re: Annotated version of SRT Maciej Wozniak <maluwozniak@gmail.com> - 2022-04-10 05:02 -0700
Re: Annotated version of SRT Thomas Heger <ttt_heg@web.de> - 2022-04-10 21:04 +0200
Re: Annotated version of SRT Python <python@example.invalid> - 2022-04-10 22:08 +0200
Re: Annotated version of SRT Maciej Wozniak <maluwozniak@gmail.com> - 2022-04-10 21:20 -0700
Re: Annotated version of SRT Thomas Heger <ttt_heg@web.de> - 2022-04-11 07:48 +0200
Re: Annotated version of SRT Reinhardt Behm <rbehm@hushmail.com> - 2022-04-11 08:43 +0000
Re: Annotated version of SRT nospam@de-ster.demon.nl (J. J. Lodder) - 2022-04-11 13:55 +0200
Re: Annotated version of SRT Thomas Heger <ttt_heg@web.de> - 2022-04-11 21:09 +0200
Re: Annotated version of SRT Reinhardt Behm <rbehm@hushmail.com> - 2022-04-12 02:52 +0000
Re: Annotated version of SRT Thomas Heger <ttt_heg@web.de> - 2022-04-13 07:49 +0200
Re: Annotated version of SRT Reinhardt Behm <rbehm@hushmail.com> - 2022-04-13 07:41 +0000
Re: Annotated version of SRT Thomas Heger <ttt_heg@web.de> - 2022-04-14 08:21 +0200
Re: Annotated version of SRT Python <python@example.invalid> - 2022-04-14 14:38 +0200
Re: Annotated version of SRT Maciej Wozniak <maluwozniak@gmail.com> - 2022-04-14 07:47 -0700
Re: Annotated version of SRT Reinhardt Behm <rbehm@hushmail.com> - 2022-04-14 15:26 +0000
Re: Annotated version of SRT Odd Bodkin <bodkinodd@gmail.com> - 2022-04-14 15:42 +0000
Re: Annotated version of SRT Thomas Heger <ttt_heg@web.de> - 2022-04-15 18:29 +0200
Re: Annotated version of SRT Odd Bodkin <bodkinodd@gmail.com> - 2022-04-15 17:00 +0000
Re: Annotated version of SRT JanPB <filmart@gmail.com> - 2022-04-15 15:46 -0700
Re: Annotated version of SRT Thomas Heger <ttt_heg@web.de> - 2022-04-16 10:23 +0200
Re: Annotated version of SRT JanPB <filmart@gmail.com> - 2022-04-16 12:59 -0700
Re: Annotated version of SRT nospam@de-ster.demon.nl (J. J. Lodder) - 2022-04-16 23:13 +0200
Re: Annotated version of SRT Thomas Heger <ttt_heg@web.de> - 2022-04-17 10:04 +0200
Re: Annotated version of SRT whodat <whodaat@void.nowgre.com> - 2022-04-17 04:46 -0500
Re: Annotated version of SRT JanPB <filmart@gmail.com> - 2022-04-17 17:11 -0700
Re: Annotated version of SRT Thomas Heger <ttt_heg@web.de> - 2022-04-18 09:33 +0200
Re: Annotated version of SRT Odd Bodkin <bodkinodd@gmail.com> - 2022-04-18 12:38 +0000
Re: Annotated version of SRT nospam@de-ster.demon.nl (J. J. Lodder) - 2022-04-18 16:05 +0200
Re: Annotated version of SRT Maciej Wozniak <maluwozniak@gmail.com> - 2022-04-18 09:24 -0700
Crank Thomas Heger perseveres (in his imbecility) "Dono." <eggy20011951@gmail.com> - 2022-04-18 08:49 -0700
Re: Annotated version of SRT JanPB <filmart@gmail.com> - 2022-04-18 13:02 -0700
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