Linear Algebra

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Across
  1. 7. a square matrix that has been obtained by performing an elementary row or column operation on an identity matrix.
  2. 9. is a rectangular array or table of numbers, symbols, or expressions, arranged in rows and columns, which is used to represent a mathematical object
  3. 10. type of equation where there is no set of values for the unknowns that satisfies all the equations
  4. 12. type of equation where there is at least one set of values for the unknowns that satisfies each equation in the system
Down
  1. 1. Reciprocal of a matrix
  2. 2. the unique vector having zero length, it also had his direction undefined
  3. 3. A system of linear equations having matrix form AX = O, where O represents a zero column matrix
  4. 4. a matrix with the same number of rows and columns
  5. 5. a matrix that has all its elements equal to zero
  6. 6. the number you get when you remove the column and row of a designated element in a matrix
  7. 8. vectors whose magnitude is exactly 1 unit
  8. 11. a given square matrix of any order which contains on its main diagonal elements with value of one, while the rest of the matrix elements are equal to zero.