linear algebra symbols

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Across
  1. 3. A -1
  2. 5. || x ||
  3. 6. AT
  4. 7. ()
  5. 9. | A |
  6. 10. .
Down
  1. 1. dim(U)
  2. 2. A⊗B
  3. 4. x
  4. 8. []