Write the matrix trace in Einstein summation convention:
(1)
The entries are scalars, so their multiplication commutes, and the two summed indices may be relabelled. The argument works for square matrices of any finite size, and also for rectangular of compatible opposite shapes.

Ancestors (12)

  1. a
  2. 5
  3. 2018
  4. Past exam of the mathematical methods I course of the University of Oxford
  5. Mathematical methods I course of the University of Oxford
  6. Year 1 of the physics course of the University of Oxford
  7. Physics course of the University of Oxford
  8. Undergraduate course of the University of Oxford
  9. Course of the University of Oxford
  10. University of Oxford
  11. List of universities
  12. Home

View article source

Discussion (0)

New discussion

There are no discussions about this article yet.

Articles by others on the same topic (0)

There are currently no matching articles.
See all articles in the same topic Create my own version