If A is a non-singular matrix such that AAT = ATA and B = A-... | Mathematics | SolveeIt | Solveeit

Today, August 18

Question

If A is a non-singular matrix such that AAT = ATA and B = A-1AT , then matrix B is

A

scalar

B

orthogonal

C

idempotent

D

diagonal

Answer

orthogonal

Explanation

Solution

The correct option is (B): orthogonal