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Summatory Function


For a discrete function f(n), the summatory function is defined by

 F(n)=sum_(k in D)^nf(k),

where D is the domain of the function.


See also

Divisor Function, Mangoldt Function, Mertens Function, Rudin-Shapiro Sequence, Tau Function, Totient Function

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Cite this as:

Weisstein, Eric W. "Summatory Function." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SummatoryFunction.html

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