采用最小二乘的方法，根据平面的坐标方程，拟合出空间平面的方程的各个系数，如有疑问请上： buaagc.blog.163.com-Using least squares method, according to the coordinates of plane equation, fitting two-dimensional space of all coefficient equation, If you have any questions, go to buaagc.blog.163.

Calculate the coefficent of a plane that fits better N 3d pints

This file fits a 3D plane to a set of 3D points. The plane is described by a point and a normal vector.