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单词 Parseval's equation
释义 Parseval's equation
[`pär·sǝ·vǝlz i´kwā·zhǝn]
MATHEMATICS
The equation which states that the square of the length of a vector in an inner product space is equal to the sum of the squares of the inner products of the vector with each member of a complete orthonormal base for the space. Also known as Parseval's identity; Parseval's relation.
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