exercise_1

function [ H ,S ] = HS( f ) UNTITLED2 Summary of this function goes here Detailed explanation goes here syms x1 x2 f1=diff(f,x1) f2=diff(f,x2) S= [f1 f2] H = [diff(f1,x1) diff(f1,x2) diff(f2,x1) diff(f2,x2)] end s0=subs(S,findsym(S),[0 0])(function [H, S] = HS (f) UNTITLED2 Summary of this function goes here Detailed explanation goes here syms x1 x2 f1 = diff (f, x1) f2 = diff (f, x2) S = [f1 f2] H = [diff (f1, x1) diff (f1, x2) diff (f2, x1) diff (f2, x2)] end s0 = subs (S, findsym (S), [0 0 ]))

上传的MATLAB代码是music算法在线阵和空间任意阵列下的形式，也可以将两者进行对比。(Upload music algorithm MATLAB code is any line array and space under the form of an array, you can also compare the two.)

MATLAB的一些例程，很好很实用。一百例(MATLAB some routines, good practical. 100 cases)

说明：  MATLAB的300个应用实例，对初学者极有帮助，有益于掌握MATLAB的各种工具。(MATLAB Application of 300, very helpful for beginners, good for a variety of tools to master MATLAB.)

粒子群算法源程序，matlab编程实现,欢迎互相学习(partical swarm optiamtion)

music算法在谱估计中的matlab程序 (music spectrum estimation algorithms in the Matlab procedures)

系统辨识中的限定记忆法，用于系统参数辨识(Limited memory in the system identification method for system parameter identification)

Adding Noise and the Restoring

this code described the multi-ellipse for LMS method from noisy image

上传的matlab程序代码是一个水表字符识别代码，采用BP神经网络识别。(Upload matlab code is a meter character identification code, using BP neural network.)