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moment generating function
释义
moment generating function
moment generating function
[
¦mō·mənt ¦jen·ə‚rād·iŋ ′fəŋk·shən
]
(statistics)
For a frequency function ƒ
(x)
, a function φ(
t
) that is defined as the integral from -∞ to ∞ of exp(
tx
) ƒ(
x
)
dx
, and whose derivatives evaluated at
t
= 0 give the moments of ƒ.
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更新时间:2026/8/13 18:38:10