Hi all,(adsbygoogle = window.adsbygoogle || []).push({});

I am new to General Relativity and I started with General Relativity Course on Youtube posted by Stanford (Leonard Susskind's lectures on GR).

So first thing to understand is transformation of covariant and contravariant vectors. Before I can understand a transformation, I would like to know how do they look like. I mean what is the difference between covariant and contravariant vectors? And what is their role in understanding GR?

In addition, I would like to know what is the application of Einstein's Field Equations? I mean, can I get one problem where they are actually used?

Thanks!

Joe W.

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# Contravariant and covariant vectors transformations

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