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Subject: Re: The mathematical =?UTF-8?Q?Poincar=C3=A9-Lorentz=20transformations?=
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Date: Mon, 23 Sep 24 18:02:12 +0000
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From: Richard Hachel <r.hachel@liscati.fr.invalid>
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Le 23/09/2024 à 19:51, "Paul.B.Andersen" a écrit :
> Den 23.09.2024 14:51, skrev Richard Hachel:
>> Poincaré-Lorentz transformations transpose the present coordinates of a 
>> frame of reference R to the homologous coordinates in a frame of 
>> reference R'.
> 
>> 
>> x=12
>> y=9
>> z=0
>> To=-15 
> 
> 
> If the frame R'(t',x',y',x') move along the x axis in
> the frame R(t,x,z,y) at the speed 0.8c,
> 
> Then the event with the coordinates
>   t = -15 y, x = 12 ly, y = 9 ly z = 0 ly in frame R
> 
> Will have the following coordinates in frame R'
>   t' = - 41 y, x' = 40 ly, y' = 9 ly, z' = 0 ly

Please pay attention to Hachel notations.

<http://nemoweb.net/jntp?j9j1Tkqi5LGYmk5CzgXl1Ww8Qwk@jntp/Data.Media:1>

> Undefined entities:
>> d=15
>> t=0 (perception)
>> sin a= 0.6
>> cos a = 0.8

 It is however well defined in the image file.

If it does not appear in the post, you must click in the file below.
 
<https://www.nemoweb.net/?DataID=j9j1Tkqi5LGYmk5CzgXl1Ww8Qwk@jntp>

R.H.