Question

a square matrix A is said to be a diagonal matrix if every non diagonal elements is
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Answer 1

Answer:

A square matrix in which every element except the principal diagonal elements is zero is called a Diagonal Matrix .

Answer 2

A square matrix A is said to be a diagonal matrix if every non-diagonal element is zero.

• A matrix is a set of numbers set out in rows and columns for the formation of a rectangular array. The numbers are known as the elements or entries, of the matrix.
• A square matrix where every element other than the principal diagonal elements is zero is known as a Diagonal Matrix.
• An (n x n) square matrix D = [$d_{ij}$] will be called a diagonal matrix if $d_{ij}$ = 0, whenever i is not equal to j.

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