MATRIX_SSS

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Across
  1. 3. matrix obtained by interchanging rows and columns
  2. 4. Matrix with all elements zero
  3. 8. matrix which is negative of its transpose
  4. 10. Arrangements of numbers in matrix vertically
  5. 11. Square matrix in which elements symmetrically placed with respect to the principal diagonal are equal
Down
  1. 1. Matrix with the number of rows equal to the number of columns
  2. 2. Diagonal matrix with all diagonal elements equal to 1
  3. 5. Arrangements of numbers in matrix horizontally
  4. 6. a matrix equal to its transpose
  5. 7. diagonal matrix with all diagonal elements are equal
  6. 9. An arrangement of numbers into rows and columns