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LESSON PLAN�MATRICES

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Mathematics- XII

Chapter-3:Matrices

Sub-Topic-Matrices & Types of Matrices.

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OBJECTIVE

1.USE OF MATRICS IN DAILY LIFE.

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2.USE OF MATRICES IN DETERMINANTS.

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PREVIOUS KNOWLEDGE

Matrices are not only used as representation of the coefficients in the system of linear equations, but utility of matrices far exceeds that use.

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Outline

  • Zero matrix
  • Diagonal matrix
  • Scalar matrix
  • Identity matrix
  • Lower triangular matrix
  • Upper triangular matrix
  • Sub matrix
  • Matrix polynomial.
  • Assignment

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Types of Matrix:-

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Zero matrix-

A matrix said to be zero matrix or null matrix if all its elements are zero.

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Examples of Zero Matrix

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Diagonal matrix: -

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Example of Diagonal Matrix

A =

Diagonal Matrix of order 3 x 3

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Scalar matrix:-

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Example of Scalar Matrix

T =

R =

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Identity matrix:-

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Example of Identity Matrix

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Assignment