Hilbert space is indeed a big place. In principle, however, Nature manipulates such enormous quantities of data, even for systems containing ... ... <看更多>

Definition 2.5. A Hilbert space is an inner product space that is complete with respect to the norm induced by the inner product. We denote a ... ... <看更多>

A Hilbert space is an abstract vector space possessing the structure of an inner product that allows length and angle to be measured. Furthermore, Hilbert ... ... <看更多>