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Tensors


Scalars, vectors and matrices are tensors.

Some new words are needed to generalize their properties.
  1. Simple tensors.
  2. Covariant versus contravariant.
  3. Going from covariant to contravariant.
  4. Einstein's summation convention.
  5. Symmetric and antisymmetric tensors.
  6. Derivatives in flat spacetime.
  7. Covariant derivatives in curved spacetime.



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