LINEAR ALGEBRA

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Across
  1. 2. a quantity with both magnitude and direction
  2. 6. a matrix obtained by swapping rows and columns
  3. 9. a matrix that, when multiplied by the original, gives the identity
  4. 10. a vector that does not change direction under a transformation
Down
  1. 1. a value that can be computed from a square matrix
  2. 3. a rectangular array of numbers
  3. 4. a square matrix with ones on the diagonal and zeros elsewhere
  4. 5. a scalar that shows how a transformation stretches a vector
  5. 7. the set of all vectors that map to zero under a matrix
  6. 8. the number of linearly independent rows or columns in a matrix