释义 |
differential operator
differential operator n (Mathematics) any operator involving differentiation, such as the mathematical operator del ∇, used in vector analysis, where ∇ = i∂/∂x + j∂/∂y+ k∂/∂z, i, j, and k being unit vectors and ∂/∂x, ∂/∂y, and ∂/∂z the partial derivatives of a function in x, y, and z differential operator
differential operator[‚dif·ə′ren·chəl ′äp·ə‚rād·ər] (mathematics) An operator on a space of functions which maps a function ƒ into a linear combination of higher-order derivatives of ƒ. |