Matrices

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Across
  1. 3. An individual item in a matrix.
  2. 4. all the elements are arranged one beside the other in a horizontal line.
  3. 6. The order of a ___ matrix is n × 1
  4. 8. is a special kind of diagonal matrix.
  5. 9. A matrix that is its own inverse
Down
  1. 1. A diagonal matrix all of the diagonal elements of which are equal to 1,the rest is equal to 0
  2. 2. a rectangular array or table of numbers, symbols or expressions, arranged in rows and columns, which is used to represent a mathematical object or a property of such an object.
  3. 5. It can be proven that any matrix has a unique inverse if its ___ is nonzero.
  4. 7. a matrix having the same number of rows as columns.