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" # $ % & ' * ˜ , % / 0Eigenvectors of symmetric matrices there is a set of northonormal eigenvectors of A I ie , q 1;;q n st Aq i = i i T i q j ij I in matrix form there is an orthogonal Qst Q 1AQ= QTAQ= I hence we can express s A= Q QT = i=1 iq iq T I in particular, q i are both left and right eigenvectors 31 Sessional Papers Of The Dominion Of Canada 1909 T S C3 J8 E A 2 T S 03 Q Ta K 00 C3 S A P3 J Gt O ‰Âˆ¤‚¢ Œn 'jŽq ƒtƒ@ƒbƒVƒ‡ƒ" t