1 1 vote Linear Algebra orthogonal-matrix matrix eigen-value + – firki lama 770 views answer comment Share Follow Print See 1 comment 1 1 comment reply utk0203 commented Jan 7, 2017 reply Follow flag this one might help you http://math.stackexchange.com/questions/82467/eigenvectors-of-real-symmetric-matrices-are-orthogonal 0 0 replyShare Please log in or register to add a comment.
0 0 votes It's a symmetric matrix. Eigen vectors of a symmetric matrix are pairwise orthogonal. So all three are orthogonal. akashsheoran answered Jan 7, 2017 akashsheoran comment Share Follow 0 reply Please log in or register to add a comment.