forward difference operator

forward difference operator

[¦fȯr·wərd ¦dif·rəns ′äp·ə‚rād·ər]
(mathematics)
A difference operator, denoted Δ, defined by the equation Δƒ(x) = ƒ(x + h) - ƒ(x), where h is a constant indicating the difference between successive points of interpolation or calculation.
References in periodicals archive ?
In this section, we give a theorem which provides some estimates on these type of the inequality (2) about the forward difference operator.