Talk:Solving the geodesic equations
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Confused edits ?
editThe iteration process for allegedly solving the geodesic equations (GE) given in the article does not actually describe how to solve for the geodesic equation. Rather, it seems to give some sort of consistency check for solutions of the Einstein field equations (EFE). Also, the exact solutions section makes the same mistake of confusing the EFE with the GE and tends to focus on vacuum solutions for some reason. Hmmm... MP (talk) 10:21, 12 February 2006 (UTC)
- yep. sorry. what you did is much better.Complexica 22:34, 15 February 2006 (UTC)
Language links in GR articles
editThe language links in any article should be for that same defining article in another language, no ? MP (talk) 18:14, 16 February 2006 (UTC)
Minor cleanup
editHi CH EMS. I've tried to improve the article ever so slightly. Not feeling so great today (flu). I'm trying to do what I promised, namely, to try and improve the GR articles so we can get Wikiproject GTR off the ground. MP (talk) 15:33, 21 March 2006 (UTC)
- Hi, MP! I'm busy with something else (arghgghgh) but the next thing on my todo list is to write in another venue an introduction to symmetries of ODEs and systems of ODEs, then use that as a basis for exactly the topic at hand, how to analyze/solve the geodesic equations for Riemannian and semi-Riemannian manifolds, with lots of examples. I have dozens of pages of notes for this plus dozens of maple worksheets illustrating some really nifty examples. My hope is to start with the simplest stuff and gradually up the ante, as JB puts it. Anyway, it would be great if you could you use that as a basis for Revision, Mark III, provided I can finish it. (Naturally I plan to put this up in ps/pdf, but I'd give you the latex file too.) But if I hope to start in a week and to finish both in a week, realistically, this probably means I'll get to it in a month or two and finish them sometime this Fall :-/ Hope you are feeling better soon! ---CH 16:05, 21 March 2006 (UTC)
I was able to fill out a few sections, but most of this is beyond my expertise. It's worth noting that I replaced differentiation by t by differentiation by s, since t has a special meaning in physics, and the geodesic equations aren't valid if time is used. Anarchic Fox 20:10, 22 July 2007 (UTC)
Laws of physics
editLaws defining physics
Unknown questions
editLaws defining physics ∆+∆=8 + + ∆-∆=6 13 8 — Preceding unsigned comment added by Badmus Jay (talk • contribs) 16:58, 4 July 2021 (UTC)