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单词 weight function
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weight function
weight function n. Physics a function that specifies the weight (sense 15b) of some quantity.
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1930 A. E. Ruark & H. C. Urey Atoms, Molecules & Quanta 747 Other systems of polynomials often used in wave mechanics are obtained by orthogonalizing the system, p1/2, xp1/2, x2p1/2,..where p(x) is a so-called ‘weight function’.
1974 G. Reece tr. F. Hund Hist. Quantum Theory ii. 33 He made use of a weight function G(E/v) for the enumeration of states.
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