Crossword Puzzle

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Across
  1. 4. matrix
  2. 7. (0,0,.....)
  3. 9. tgt at infinity
  4. 11. Injective group homomorphism
  5. 12. span{(1,1)}
  6. 13. f([a,b])
  7. 15. 56x+72y=40
  8. 17. {1,-1,i,-i}
  9. 19. S(X)
Down
  1. 1. curvature of line
  2. 2. linear dependence
  3. 3. f(x,y)
  4. 5. function from matrices to R
  5. 6. 3x+2
  6. 8. PDE
  7. 10. Z_3
  8. 14. |x|
  9. 16. (1/n)
  10. 18. set of all humans