Because the bracket represents an inner product, certain concepts from [[linear algebra]] will continue to play a role. One is that of [[orthogonality]]. By using the [[Gram-Schmidt Process]], and set of linearly independent kets can be orthogonalized, and we may often times assume that such a procedure has been carried out. In addition, because of the probabilistic interpretation of [[wave mechanics]], we may actually take the kets to be normalized. In the Dirac Notation, the normalization condition reads: | Because the bracket represents an inner product, certain concepts from [[linear algebra]] will continue to play a role. One is that of [[orthogonality]]. By using the [[Gram-Schmidt Process]], and set of linearly independent kets can be orthogonalized, and we may often times assume that such a procedure has been carried out. In addition, because of the probabilistic interpretation of [[wave mechanics]], we may actually take the kets to be normalized. In the Dirac Notation, the normalization condition reads: |