| 释义 |
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. |