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Unitary transformation : ウィキペディア英語版 | Unitary transformation
In mathematics, a unitary transformation is a transformation that preserves the inner product: the inner product of two vectors before the transformation is equal to their inner product after the transformation. ==Formal definition== More precisely, a unitary transformation is an isomorphism between two Hilbert spaces. In other words, a ''unitary transformation'' is a bijective function : where and are Hilbert spaces, such that : for all and in .
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Unitary transformation」の詳細全文を読む
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