On the Equality of Rank of a Fourth-Idempotent Matrix
Lin Deng*, Feng Zhang, Jinli Xu
Citation : Lin Deng, Feng Zhang, Jinli Xu, On the Equality of Rank of a Fourth-Idempotent Matrix International Journal of Scientific and Innovative Mathematical Research 2019 , 7(5) : 1-3.
The equality of rank a fourth-idempotent matrix is established by means of elementary transformation and properties of idempotent matrix.