Matrices

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Across
  1. 2. symbol for determinant on calculator
  2. 3. to do this both matrices must be the same shape
  3. 5. these can be solved using matrices
  4. 10. numbers that are horizontal
  5. 11. a number
  6. 12. a matrix where all elements are zero
  7. 13. this means that order is not important
  8. 14. the shape of a matrix
  9. 15. numbers that are vertical
Down
  1. 1. a matrix with the same number of rows and columns
  2. 2. det
  3. 4. a matrix that is to the power of -1
  4. 5. this type of matrix has a determinant equal to zero
  5. 6. press this button to find det
  6. 7. numbers in a matrix
  7. 8. a matrix with a diagonal of 1's
  8. 9. an inverse matrix must have a power of ...