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  • 1. PRESENTATION ON TOPIC MATRIX
  • 2. MATRIX A system of m n numbers are arranged in the form of an ordered set of m rows, each row consisting of an ordered set of n numbers, is called an m * n matrix.
  • 3. TYPES OF MATRIX
    • Row matrix
    • Column matrix
    • Square matrix
    • Zero matrix
    • Diagonal matrix
    • Scalar matrix
    • Unit matrix
    • Triangular matrix
    • Addition/Subtraction matrix
    • Product matrix
  • 4. ROW MATRIX
    • An m * n matrix is called a row matrix if m =1
  • 5. COLUMN MATRIX
    • An m n matrix is called a column matrix if n =1
  • 6. SQUARE MATRIX
    • An m *n matrix is called a square matrix if m = n
  • 7. RECTANGULAR MATRIX
    • An matrix which is not a square matrix, is called a
    • rectangular matrix.
  • 8. ZERO MATRIX
    • A matrix each of whose elements is zero is called a
    • zero matrix and is denoted by 0. zero matrix is also
    • called null matrix.
  • 9. DIAGONAL MATRIX
    • A square matrix with all its non-diagonal elements
    • as zero is called a diagonal matrix.
  • 10. SCALAR MATRIX
    • A diagonal matrix all of whose diagonal elements
    • are equal is called a scalar matrix.
  • 11. UNIT MATRIX
    • A scalar matrix all of whose diagonal elements are
    • equal to unity is called a unit matrix and denoted
    • by In, if it is of order n . Unit matrix is also called
    • an identity matrix .
  • 12. TRIANGULAR MATRIX
    • If every elements above or below the diagonal is
    • zero, the matrix is said to be triangular matrix.
  • 13. ADDITION /SUBTRACTION OF MATRIX
    • If A , B be the two matrices of same type m * n ,
    • then their sum A+B is defined as the matrix of
    • addition.
    • If A , B be the two matrices of same type , then
    • their difference A+B is defined as the subtraction
    • of matrix.
  • 14. PRODUCT OF MATRIX
    • If A , B are two matrices of same type ,then their
    • product is A*B is defined as the matrix of
    • product.