ATTENDANCE EYE'S CROSSWORD CHALLENGE

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Across
  1. 3. The smartphone operating system that Google created
  2. 4. The letter that have ascii encoding of 75
  3. 6. A german mathematician that invented the iterative method of finding eigenvalues of a symmetric matrix
  4. 7. A vector of a matrix that doesn't change direction when being transformed
  5. 8. The most popular desktop operating system
  6. 9. The facial recognition algorithm that uses PCA analysis
Down
  1. 1. A technology capable of matching a human face from a digital image or a video frame against a database of faces
  2. 2. The facial recognition algorithm that uses LDA analysis
  3. 5. Machine that capable of tasks that normally require human intelligence