Matrix Algebra

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Across
  1. 2. transpose is the inverse
  2. 4. equal to its transpose
  3. 6. sum of elementary products
  4. 9. all elements below and above diagonal are zero
  5. 11. no inverse
  6. 12. eliminate row and column
  7. 13. sum of main diagonal
  8. 14. reduction method
Down
  1. 1. matrix of zeros
  2. 3. all elements below diagonal are zero
  3. 5. minor with a sign
  4. 7. change rows by columns
  5. 8. transpose of cofactor
  6. 10. solution of linear systems