A square matrix a ij where a ij -0 for - j and a ij - k constant for i - j is called

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Scalar Matrix

A square matr...

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A square matrix $(a_{i j})$ where $a_{i j}$ = 0 for i $\neq$ j and $a_{i j}$ = k (constant) for i = j is called __

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[a_{i j}]

a_{i j} = 0

i \neq j

a_{i j} = k

k

i = j

A = [a_{i j}]_{n \times n}

a_{i j} = 0

i > j,

[a_{i j}]_{n \times n}

⎡ ⎢ ⎣ \begin{matrix} 3 & 0 & 0 0 & 4 & 0 0 & 0 & 7 \end{matrix} ⎤ ⎥ ⎦

A = [a_{i j}]

a_{i j} = 0, \forall i \neq j,

A

3 \times 3

a_{i j}

a_{i j} = 0

i < j

a_{i j} = i + j

i \geq j

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