lizzyliz
I learnt about Identity Matrix. It can be used to prove that 2 matrixes are inverse of each other.
But I still have no idea of the purpose of learning Identity Matrix. What practical value is there? Can you give a simple situational problem in which Identity Matrix is used?
Many thanks.
But I still have no idea of the purpose of learning Identity Matrix. What practical value is there? Can you give a simple situational problem in which Identity Matrix is used?
Many thanks.