Question

what is unity matrix​

Answer 1

Answer:

In linear algebra, the identity matrix of size n is the n × n square matrix with ones on the main diagonal and zeros elsewhere.

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Answer 2

Step-by-step explanation:

The unit matrix is every n x n square matrix made up of all zeros except for the elements of the main diagonal that are all ones.

It is indicated as In where n represents the size of the unit matrix.

The unity matrix in linear algebra works a little bit like the number 1 in normal algebra so that if you multiply a matrix by the unit matrix you get the same initial matrix