Suppose $A$ is an $n\times n$ matrix, and wondering when $A A^T$ equals $A^T A$? Only when $A$ is symmetric?
regards,
Lin
[Math] Matrix A multiply A transpose
matricestranspose
matricestranspose
Suppose $A$ is an $n\times n$ matrix, and wondering when $A A^T$ equals $A^T A$? Only when $A$ is symmetric?
regards,
Lin
Best Answer
Matrices with that property are called normal matrices.
See Normal Matrix