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mulling metrics



 
 
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Old August 19th 06 posted to sci.physics,sci.physics.relativity,alt.local.village.idiot
Sorcerer
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Posts: 2,164
Default mulling metrics


"Dirk Van de moortel" wrote
in message ...
|
| "Sorcerer" wrote in message
...
|
| "Dirk Van de moortel"
wrote
| in message ...
| |
| | "Sorcerer" wrote in message
| .uk...
| |
| | "Edward Green" wrote in message
| | oups.com...
| | | What does a metric encode?
| | |
| | | Forget spacetime for a second, and consider the simpler example of
a
| | | three dimensional block with an embedded cartesian coordinate
system.
| | | In this coordinate system, let the metric be:
| | |
| | | ds^2 = dx^2 + dy^2 + dz^2
| |
| | The Manhattan metric is d = x+y+z. Use that if you want to argue
| metrics.
| | It is simple enough, the distance you travel is up, sideways and
| forward.
| |
| | Right, simple enough:
| |
http://users.telenet.be/vdmoortel/di...pleEnough.html
| |
| | Dirk Vdm
|
| I knew it would be too difficult for you, local village idiot.
| Look at this fumble:
| http://mathworld.wolfram.com/TaxicabMetric.html
|
| It seems that Androfart never heard of absolute value signs.

It is known that local village dog **** Dork has never studied mathematics
and cannot manage even high school algebra.

| ROFLMAO!
|
| Yes, we can smell it from here.
|
| Dirk Vdm

It's amusing to watch you turn red and splutter when you can't find (or
admit) your mistakes. Phuckwit Duck and Blind Poe didn't find the mistake
quite easily without you pointing it out to them, and yet you can't find it
when led
by the hand.

Let's take that as an object lesson, shall we? Perhaps this is one of
the reasons why you make so many short trips to Stupidity. Perhaps this is
also one of the reasons why your long-standing hobby of foaming and
blathering about relativity is a prodigious waste of time. Sort of like
trying to stretch holes in a piece of spacetime with a strand of
undercooked latex.
Androcles



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