A function which at each point t of the sample space has as its value the probability that a given random variable is less than (or equal) t. In symbols, F_X(t)=Pr(X<t).

A measure of acidity used for very concentrated solutions of strong acids, including superacids.

(optimization) A function whose closed-form expression is not known or does not exist, and whose properties cannot be inferred.

plural of number-theoretic function

plural of moment-generating function

(mathematics) a real or complex valued function of n defined on the set of natural numbers that expresses some arithmetical property of n.

plural of black-box function

(computer science) Alternative form of partial application

plural of partial function application

(mathematics, mathematical analysis) The alternating sum of the Dirichlet series expansion of the Riemann zeta function: 𝜂(s)=∑ₙ₌₁ ᪲(-1)ⁿ⁻¹/nˢ=1/(1ˢ)-1/(2ˢ)+1/(3ˢ)-1/(4ˢ)+⋯.