正规算子 Normal operator

（重定向自Normal element）

正规算子是指内积空间(实的或复的)上与其伴随可交换的算子. 用线性代数的语言描述:设T是内积空间V上的算子,则T是正规的当且仅当 $TT^*=T^*T$ .

单词	Normal element
释义	Normal element 中文百科正规算子 Normal operator （重定向自Normal element）正规算子是指内积空间(实的或复的)上与其伴随可交换的算子. 用线性代数的语言描述:设T是内积空间V上的算子,则T是正规的当且仅当 $TT^=T^T$ . 英语百科 Normal operator 正规算子（重定向自Normal element） In mathematics, especially functional analysis, a normal operator on a complex Hilbert space H is a continuous linear operator N : H → H that commutes with its hermitian adjoint N, that is: NN = NN*. Normal operators are important because the spectral theorem holds for them. The class of normal operators is well-understood. Examples of normal operators are
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Normal element