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Indefinite Summation Operator


The indefinite summation operator Delta^(-1) for discrete variables, is the equivalent of integration for continuous variables. If DeltaY(x)=y(x), then Delta^(-1)y(x)=Y(x).


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Cite this as:

Weisstein, Eric W. "Indefinite Summation Operator." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/IndefiniteSummationOperator.html

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