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单词
backward difference operator
释义
backward difference operator
backward difference operator
[
¦bak·wərd ¦dif·rəns ′äp·ə‚rād·ər
]
(mathematics)
A difference operator, denoted ∇, defined by the equation ∇ƒ(
x
) = ƒ(
x
) - ƒ(
x
-
h
), where
h
is a constant denoting the difference between successive points of interpolation or calculation.
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更新时间:2025/3/31 2:08:22