(programming) A binary operator that returns its second argument, unless the first argument is null, in which case it returns null; used to simplify code that would otherwise need multiple explicit checks for nullity.

(differential geometry) A generalization of the Laplace operator; the anticommutator of the exterior derivative and the codifferential.

plural of Sobel operator

A discrete differentiation operator that computes an approximation of the gradient of the image intensity function, used in image processing and computer vision, particular for detecting edges.

(mathematical analysis) Any of a particular class of second-order linear differential operators.

plural of elliptic operator

plural of co-operator

Alternative spelling of cooperator

(databases) A proposed operator, for use in database queries, that filters out results that are worse than others according to multiple criteria.

plural of skyline operator