Graph-theory-algorithm

说明：  模式分类 杜达的书 第二章 第二题的答案matlab 源程序(pattern classification duda chapter 2 no.2 matlab code)

guassian sobel filter for image processing

该程序实现对直方图均衡化，可以达到图象增强的效果，是图像处理的重要内容。(the program right histogram equalization, can achieve the effect of image enhancement, image processing is an important element.)

高斯积分法的matlab编程，目的在于求解一维，二维三维问题的数值积分。(Numerically evaluates 2D integrals using Gauss quadrature.)

该程序利用空时二维自适应原理仿真了杂波的二维方向图，计算了杂波协方差矩阵，并画出了二维杂波谱。(The program uses the principle of space-time adaptive simulation of a two-dimensional patterns of the clutter, clutter covariance matrix is ​ ​ calculated, and plotted the two-dimensional clutter spectrum.)

用LU分解法解线性方程组Ax=b。用牛顿法求非线性方程f(x)=0(With the LU decomposition method of solving linear equations Ax = b. Using Newton s method for nonlinear equation f (x) = 0 )

光纤LP31模式,光纤模式计算，纤芯模式，有效折射率(Fiber LP31 mode, fiber mode calculation, fiber core mode, effective refractive index)

说明：  matlab源代码，是重要的地震勘探源代码，工具箱程序(matlab source code, it is important to seismic exploration source code, toolbox procedures)

tai lieu huong dan su dung matlab

das filter: baswed on research by das in filtering