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单词
elementary symmetric functions
释义
elementary symmetric functions
elementary symmetric functions
[
el·ə′men·trē si¦me·trik ′fəŋk·shənz
]
(mathematics)
For a set of
n
variables, a set of
n
functions, σ
1
, σ
2
, … , σ
n,
where σ
k
is the sum of all products of
k
of the
n
variables.
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更新时间:2025/3/20 1:43:57