Question

for square matrix if a=at then matrix is called​

Answer 1

Answer:

An n × n matrix is said to be a square matrix of order n. In other words when the number of rows and the number of columns in the matrix are equal then the matrix is called square matrix. Since the number of rows and the number of columns are equal, the above matrix A is a square matrix.

Answer 2

Answer:

If the rows and columns in a matrix A are interchanged, the new matrix is called the transpose of the original matrix A. The transposed matrix is denoted by AT. A square matrix A is called orthogonal if AAT=I, where I is the identity matrix.

Step-by-step explanation: