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Across
  1. 3. ,equivalence
  2. 4. ,matrix
  3. 5. ,symmetric
  4. 7. , composite
  5. 9. , injective
  6. 13. invertible
  7. 14. , adjoint
  8. 15. ,nonsingular
Down
  1. 1. maxima
  2. 2. ,continuous
  3. 6. , derivative
  4. 8. row
  5. 10. , unique
  6. 11. , parameter
  7. 12. ,square