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Central Difference
Definition
The central difference for a function tabulated at equal intervals f_n is defined by δ(f_n) = δ_n = δ_n^1 = f_(n + 1/2) - f_(n - 1/2).
Related terms
The central difference for a function tabulated at equal intervals f_n is defined by δ(f_n) = δ_n = δ_n^1 = f_(n + 1/2) - f_(n - 1/2).