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Oct 25, 2023 at 16:30 comment added Gro-Tsen Though they do not answer the question (AFAICT), the answers to this other question (as well as this almost identical one on MSE) about the “exact Peano derivative” seem at least somewhat relevant here.
Oct 25, 2023 at 15:33 history became hot network question
Oct 25, 2023 at 15:27 answer added Kostya_I timeline score: 11
Oct 25, 2023 at 14:51 answer added Mikhail Katz timeline score: 4
Oct 25, 2023 at 14:00 comment added Mikhail Katz @SonamIdowu, Can you provide some sources for the claim that if the limit condition is satisfied at every point and g is continuous then f′′=g ?
Oct 25, 2023 at 9:40 review Close votes
Oct 25, 2023 at 23:03
Oct 25, 2023 at 7:40 comment added Sonam Idowu @G.Melfi yes, indeed it has to be a plus not a minus. I amended the question. Thanks and I excuse the inconvenience caused.
Oct 25, 2023 at 7:40 history edited Sonam Idowu CC BY-SA 4.0
edited body
Oct 25, 2023 at 7:29 comment added G. Melfi I don't understand. Maybe you means $+$ between $f(x+t)$ and $f(x-t)$ ?
Oct 25, 2023 at 6:56 history edited Nate River
Replaced “differentiable stacks” tag
S Oct 25, 2023 at 6:19 review First questions
Oct 25, 2023 at 7:49
S Oct 25, 2023 at 6:19 history asked Sonam Idowu CC BY-SA 4.0