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| Subject:
Physics, general relativity
Category: Science > Physics Asked by: alok66-ga List Price: $2.00 |
Posted:
31 Mar 2003 04:26 PST
Expires: 30 Apr 2003 05:26 PDT Question ID: 183596 |
Riemann tensor R with four dimensions and a raised index has twenty independent components. Once I have found the twenty is there an easy way of finding the other 200+ components? Anyone know any free software on the web for the Riemann tensor? I do not have mathematica or maple. |
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| Subject:
Re: Physics, general relativity
From: xarqi-ga on 01 Apr 2003 01:35 PST |
Welcome to GA. I'm way out of my depth, but might this link be of any use to you: http://www.scicomp.ucsd.edu/~mholst/codes/mc/ |
| Subject:
Re: Physics, general relativity
From: thenextguy-ga on 02 Apr 2003 22:14 PST |
The other components are found through identities involving swapping values for pairs of indices. These wouldn't be the easiest things to type into a text-based interface (upper/lower indices). If you can find it, I'd recommend getting a copy of Gravitation & Spacetime by Hans Ohanian. |
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