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非线性规划问题中无约束问题的grad算法的MATLAB代码(Unconstrained nonlinear programming problem in question grad algorithm MATLAB code)

本代码主要讲述了抛物型偏微分方程的向前Euler格式的差分解法。代码简单，高效。(This code mainly tells the story of parabolic partial differential equations of Euler forward format of finite difference method. The code is simple, efficient.)

使用协方差矩阵的方法对MIMO的DOA进行估计，从而得到copon的DOA算法(Covariance matrix using the method of MIMO DOA estimation, resulting copon DOA Algorithms)

Radon transform and inverse radon , and their histogram step by step. can be use for edge detection and finding the number of object in image

高斯插值，本程序使用matlab开发环境实现了数值方法的高斯插值内容，方便好用，将所需插值数据加入，即可实现高斯插值(Gaussian interpolation, the program uses matlab development environment to achieve a numerical method of Gaussian interpolation content, easy to use, add the required data interpolation, Gaussian interpolation can be realized)

model maintain the level of water at the pump station

阵列信号处理的esprit算法 提供了阵列信号DOA估计的一种算法的matlab程序,有注释。(Array signal processing of the esprit algorithm provides an algorithm for the array signal DOA estimation of matlab, with comments.)

设计一个程序，用后向Euler 法/梯形法求解电路系统的MNA 方程（该方程由stamp 程 序得到），其中线性方程的求解采用GCR 迭代法。(Design a program that uses the backward Euler method/trapezoid method for solving circuit system MNA equation (the equation obtained by the stamp program), in which the linear equations using GCR iteration.)

说明：  利用窗函数法，频率采样法及优化设计法设计FIR 滤波器(FIR filter design using window function method, frequency sampling method and optimization design method)

说明：  一种利用MATLAB实现的射线追踪算法，估计各种无线系统参数。(# Ray Tracing A ray tracing algorithm implemented using MATLAB that estimates various wireless system parameters.)