给出了采用牛顿法解超越方程，求解椭圆轨道及双曲线轨道开普勒方程中的偏近点角的源程序及例子；给出了解普适方程的函数及例子，是研究轨道理论中的重要函数，均基于matlab编程-Gives the solution of transcendental equation using Newton' s method, for solving elliptic orbit and the hyperbolic orbits Kepler equation Eccentric anomaly of the source code and examples　universal equation are given to understand the function and examples, is to study the orbital theory of the important functions, are based on the matlab programming