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How to use tensors in Mathematica?

Ji?í Ryzner

Posted 10 years ago

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Hello everybody, I am beginner in Mathematica. I would like to know how to use tensors in Mathematica in general relativity, i.e. when i have defined metric tensor, how to compute tensors that appear in Einstein and Maxwell equations and get exact form of both sides; lowering/uppering four-vectors, covariant derivate etc. Is it built in or is some package needed? Thank you for any answer.

POSTED BY: Ji?í Ryzner

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Posted 10 years ago

First read a bit http://reference.wolfram.com/mathematica/guide/Tensors.html http://reference.wolfram.com/mathematica/tutorial/Tensors.html then ask more specific questions ... Regards Udo.

POSTED BY: Udo Krause

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