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DLMF:18.1#Ex3
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Formula:6174
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MaRDI QID
Q6174
Label: DLMF:18.1#Ex3
Digital Library of Mathematical Functions ID
18.1#Ex3
∇
x
(
f
(
x
)
)
=
f
(
x
)
-
f
(
x
-
1
)
,
backward-difference
𝑥
𝑓
𝑥
𝑓
𝑥
𝑓
𝑥
1
{\displaystyle{\displaystyle\nabla_{x}\left(f(x)\right)=f(x)-f(x-1),}}
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