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单词
arithmetic-geometric mean
释义
arithmetic-geometric mean
arithmetic-geometric mean
[
¦a·rith¦med·ik ‚jē·ə¦me·trik ′mēn
]
(mathematics)
For two positive numbers
a
1
and
b
1
, the common limit of the sequences {
a
n
} and {
b
n
} defined recursively by the equations
a
n
+ 1
= ½(
a
n
+
b
n
) and
b
n
+ 1
= (
a
n
b
n
)
½
.
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更新时间:2025/6/24 2:52:48