functional equation

• 函数方程

functional equation的用法和样例：

例句

1. Two kinds of machining methods of function equation curve are introduced.
   介绍了两种函数方程曲线加工方法。
2. In Chapter l,we in-troduces self mappings on an interval, the roots of the functions, functional equations and the embedding flow.
   对迭代的研究涉及线段上的自映射，迭代根与迭代函数方程，迭代根与嵌入流等问题。
3. In the forward step, the eikonal equation was solved by finite-difference method.Raypaths were determined in the minus gradient direction of travel time.
   正演采用快速的有限差分求解程函方程的方法求取旅行时，利用旅行时的负梯度方向求取射线路径。