# Properties Of Matrices

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**Properties of Matrices:
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Basic properties of Matrices which are given as:

**1. Zero matrix or Null matrix**: A matrix whose all element equal to zero.

**2. Upper traingular matrix**: A square matrix whose element a_{ij} = 0 for all i > j.

**3. Lower traingular matrix**: A square matrix whose element a_{ij} = 0 for all i < j.

**4. Diagonal matrix**: A square matrix whose element a_{ij} = 0 for all i ≠ j. It is both upper and lower traingular matrix.

**5. Scalar matrix**: A diagonal matrix whose a_{ij} = λ for all i = j.

**Example:
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