DY0-001: CompTIA DataAIDemo

By CompTIA · Question Mode

QuestionQ114

Mathematics and Statistics

Which of the following describes an identity matrix?

  • A Ones are along the main diagonal.
  • B Zeros are along the main diagonal.
  • C Ones are throughout the matrix.
  • D Zeros are throughout the matrix.
Explanation

An identity matrix has 1s on the main diagonal and 0s in all off-diagonal entries.

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