weight function

weight function [′wāt ‚fəŋk·shən]

(mathematics)

Two real valued functions ƒ andgare orthogonal relative to a weight function σ on an interval if the integral over the interval of ƒ·g·σ vanishes.

A function defined on the edges of a network or the arcs of a directed network, whose value at each edge or arc is the unique nonnegative integer assigned to that edge or arc.

A function defined on the vertices of a generalizeds-tnetwork, whose value at each vertex is a nonnegative integer.