plural of Dirac delta function

plural of Hammett acidity function

plural of cumulative distribution function

(organic chemistry) A specific grouping of elements that is characteristic of a class of compounds, and determines some properties and reactions of that class.

(computing theory) Capable of computing any recursive function.

(calculus) A function f : X→R (where X is a subset of R, possibly a discrete set) that either never decreases or never increases as its independent variable increases; that is, either x ≤ y implies f(x) ≤ f(y) or x ≤ y implies f(y) ≤ f(x).

(mathematics) A function that either never decreases or never increases as its independent variable increases.

plural of functional group

(mathematics) A function from the real line to a finite subset of the real line.

(mathematics) A function to be maximized or minimized in optimization theory.