Matrices and Determinants

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Across
  1. 2. — Determinant of a smaller matrix formed by deleting a row and a column.
  2. 6. — A matrix with zero determinant.
  3. 7. — Horizontal arrangement of elements in a matrix.
  4. 9. — A matrix that, when multiplied with the original, gives the identity matrix.
  5. 10. — Number of rows and columns of a matrix.
  6. 13. — A matrix where every element is 0.
  7. 14. — Minor adjusted by a sign.
  8. 15. — Matrix used to represent a system of equations.
  9. 16. — Matrix equal to its transpose.
  10. 18. — Vertical arrangement of elements in a matrix.
  11. 19. — Transpose of the matrix of cofactors.
Down
  1. 1. — Matrix with nonzero elements only on its main diagonal.
  2. 3. — Matrix with same number of rows and columns.
  3. 4. — A single number multiplying a matrix.
  4. 5. — Matrix obtained by interchanging rows and columns.
  5. 6. — Matrix where transpose equals negative of the matrix.
  6. 8. — Rectangular array of numbers.
  7. 11. — A scalar value derived from a square matrix.
  8. 12. — Matrix where all elements above or below the main diagonal are zero.
  9. 17. — A square matrix with ones on the diagonal and zeros elsewhere.