matrices

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Across
  1. 1. a matrix whose order is '1 x m'.
  2. 4. ordered rectangular array of numbers.
  3. 6. the ___ matrix has zero in all its elements.
  4. 9. a matrix equal to the negative of its transpose.
  5. 11. a matrix whose order is 'm x 1'.
Down
  1. 2. the ___ of a matrix is the number of rows and columns in a matrix.
  2. 3. the ___ matrix has zero in its non-diagonal elements.
  3. 5. the ___ matrix has 1s on the diagonal and 0s off the diagonals.
  4. 7. the ___ matrix has zero in its non-diagonal elements and the same value in its diagonal elements.
  5. 8. a matrix equal to its transpose.
  6. 10. an 'm x n' is a ___ matrix if m=n.