中文说明：以给定数据点到椭圆的最短距离的平方和作为目标函数，通过高斯牛顿迭代法求解椭圆的中心坐标，姿态角，长短轴这5个参数。
English Description：
Shortest distance to the given data points to an ellipse of squares as the objective function, by Gauss-Newton iterative method for solving the center coordinate of the ellipse and angular, axial 5 parameters.