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本文件提供了几个数值分析中的Matlab小程序。水平有限，多多海涵。(This document provides several numerical analysis of Matlab small programs. Limited, and many Haihan.)

MATLAB中数值分析如拉格朗日插值、牛顿法求解方程组、LU分解等(MATLAB numerical analysis such as Lagrange interpolation, Newton' s method for solving equations, LU decomposition, etc.)

求两幅图像的同名点位置，确定图像某一点的视差值(Strives for the two images of the same name point location, to determine the parallax value of image point)

包括4天线准正交码的编码和解码程序，其中解码程序包括部分行的合并解码(Including 4 antenna quasi-orthogonal code encoding and decoding procedures, which include decoding part decoding the combined line)

用matlab 实现 对图像去其高频分量,再反变换 内含文本文档 输入 MATLAB 后可直接运行(Image with matlab implementation to its high frequency, and then inverse transform)

高斯牛顿函数的最优化算法matlab源程序。。。(Function by the Gauss-Newton optimization algorithm matlab source code)

求矩阵腐蚀，膨胀的算法，以及梯度、平滑和高帽变换运算。(Matrix erosion, dilation of the algorithm, and the gradient, smoothing and hat transformation operations.)

c++语言中利用输入输出流来实现各种复杂图形的绘制(c++ language, using input and output streams to achieve the rendering of complex graphics)

利用模拟退火法求函数在某一范围的极小值，对于验证模拟退火算法的可行性有重要意义。(Using simulated annealing method the minimum value of a function in a range of simulated annealing algorithm to verify the feasibility of significance.)

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