(programming) An operator that returns the length of a string in bytes, characters, or code points, or the number of consecutive numerically indexed values in a table or array.

plural of infix operator

(computing) an operator that is placed in between the operands like it is commonly used in arithmetical and logical formulae and statements.

plural of assignment operator

(computing) An operator that sets the value stored in the storage location(s) denoted by a variable name.

(mathematics) The interchange of suitable rows and/or columns of a matrix in order to place a particular element on the diagonal (prior to some other operation)

plural of pivot operation

(physics) Synonym of Hamiltonian

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.