By Kardi Teknomo, PhD .
LinearAlgebra

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Identity matrix is a square matrix whose diagonal elements are equal to one. Non-diagonal elements are zeros.

Identity matrix is fully determined by its order.


Example:
Identity Matrix

The interactive program below will generate identity matrix based on your specified size or order. This program is designed to confirm your basic understanding about identity matrix.

Size =

Properties

The following are well known properties of identity matrix:

See also : diagonal matrix , matrix inverse , matrix multiplication , generalized inverse

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