北航数值分析大作业三，功能为用Newdon法求解非线性方程组，Gauss法求解线性方程组，求矩阵的逆，二元二次插值，按最小二乘原则进行二元拟合并自动寻找最小阶数。-Northern analysis of large numerical operations three functions with Newdon method for solving nonlinear equations, Gauss method for solvi

这是关于图像去噪的一种高斯牛顿方法，本代码有一个缺点就是:去噪效果不怎么好(this is a proceture about image denoising;it is based on TOF model)