plural of smooth function

(mathematics) a function that has derivatives of all finite orders everywhere in its domain.

plural of derived function

plural of empty function

(programming) Synonym of lambda function

plural of inclusion function

plural of higher-order function

(computer science) A function that takes one or more functions as an input, and returns a function as a result.

(medicine) Any of several diagnostic procedures that test the blood clotting function of platelets

(number theory, analytic number theory, uncountable) The function ζ defined by the Dirichlet series 𝜁(s)=∑ₙ₌₁ ᪲1/(nˢ)=1/(1ˢ)+1/(2ˢ)+1/(3ˢ)+1/(4ˢ)+⋯, which is summable for points s in the complex half-plane with real part > 1; the analytic continuation of said function, being a holomorphic function defined on the complex numbers with pole at 1.