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searching for Absolutely integrable function 2 found (7 total)

alternate case: absolutely integrable function

Characteristic function (probability theory) (5,208 words) [view diff] exact match in snippet view article

d\theta .} Mathias’ theorem. A real-valued, even, continuous, absolutely integrable function φ, with φ(0) = 1, is a characteristic function if and only if

Dirac delta function (14,418 words) [view diff] exact match in snippet view article find links to article

ηε can be constructed in the following manner. Let η be an absolutely integrable function on R of total integral 1, and define η ε ( x ) = ε − 1 η ( x