实现数值分析中的一些基本算法，Jacobi、Gauss、Gauss-Seidel、拉格朗日插值以及列主元高斯消去发等-Some of the basic algorithm in numerical analysis

harris角点提取算法，可以设置高斯差分窗口大小、非极大值抑制的邻域大小、高斯函数方差大小-harris corner extraction algorithm, you can set the window size of the Gaussian difference, non-maxima suppression of the size of the neighborhood, the size of the variance of the Gaussian function