Eugene Shubert
Valued Senior Member
$$Composing with the Lorentz transformation
\theta^{-1}(t,\,x) \,=\,
\begin{pmatrix} t \,-\, S(x) \\ \\ \\ x \end{pmatrix} \;.
$$
$$yields
\Lambda(t,\,x) \,=\,
\begin{pmatrix}
\gamma ( t \,-\, vx ) \\ \\ \\ \gamma ( x \,-\, vt )
\end{pmatrix}
$$
$$Finally, $$\theta$$ is given by
\Lambda \,\circ\, \theta^{-1}(t,\, x) \,=\,
\begin{pmatrix}
\gamma \bigl[ t \,-\, S(x) \,-\, vx \bigr]
\\ \\ \\
\gamma \bigl[ x \,-\, vt \,+\, v S(x) \bigr]
\end{pmatrix} \;.
$$
$$so the composition $$\theta \,\circ\, \Lambda \,\circ\, \theta^{-1}$$ is given by:
\theta^{-1}(t,\,x) \,=\,
\begin{pmatrix} t \,+\, S(x) \\ \\ \\ x \end{pmatrix} \;,
$$
$$which is just Eugene's transformation. Surprise again!
\theta \,\circ\, \Lambda \,\circ\, \theta^{-1} (t,\,x) \,=\,
\begin{pmatrix}
\gamma \bigl[ t \,-\, S(x) \,-\, vx \bigr]
\,+\, S \Bigl( \gamma \bigl[ x \,-\, vt \,+\, v S(x) \bigr] \Bigr)
\\ \\ \\
\gamma \bigl[ x \,-\, vt \,+\, v S(x) \bigr]
\end{pmatrix} \;,
$$
Not exactly.
No-one except Eugene thinks his transformation represents anything physical.
Excuse me przyk. While your calculation in post #338 is technically correct, with the exception of at least one typo that I've noticed, you have clearly demonstrated that you don't understand the physical meaning of my generalized Lorentz-equivalent transformation equations.
Equations (54)-(55) connect the event (x,t) in frame $$i$$ having synchronization $$ S_i$$ to the same event recorded as (x',t') in frame $$j$$ having synchronization $$ S_j$$. You assumed that my coordinate-dependent synchronization schemes are identical in all inertial frames of reference. That is a big mistake.
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