Chapter-4

应用于matlab支持向量机svm的工具箱(Applies to support vector machine SVM matlab toolbox)

MATLAB常用函数汇总，内容涵盖常用的各种函数，有详细的说明。(reference table of matlab functions)

Fixed-point for functions of several variables (Function fixed_point_systems(x0, N) approximates the solution of a system of nonlinear equations F(x) = (f1(x), f2(x), ..., fn(x)) = 0 rewritten in the fixed-point form x = G(x) = (g1(x), g2(x), ..., gn(x)). This is done by the user at the bottom of the file. The sub-function G(x) has to be updated accordingly with the given system. The iteration scheme x(k+1) = G(x(k)) is implemented until condition |x(k)- x(k-1)| < tol is met, starting with an initial approxiamtion vector x0. If, after N iterations, the stopping criterion is not reached, a message concerning the iterated x s is displayed. the output consists of iterates of each variables x1, x2, ..., xn in each column. )

利用Lucy-Richardson方法进行图像复原，迭代次数分别是5次和15次(image restoration Lucy-Richardson)

find roots by search gold metod

求解线性不定方程组的一个基解（未知数个数大于方程个数），代码简单有效，可以利用该代码求出所有基解，从而得到不定方程组解得一般形式(A radical solution for solving linear equations uncertain (unknown number greater than the number of equations), the code is simple and effective, you can use the code to all base solution obtained, resulting in variable equations have the general form of the solution)

一个自适应软阈值去噪的原程序，很实用，我用它解决了很多问题(An adaptive soft-threshold denoising of the original program)

matlab实现的行人检测加跟踪，对学习图像处理的同学很有帮助(matlab implementation of pedestrian detection and tracking, help students learn image processing)

灰色预测程序，可实现简单的二维数据的预测，简单方便实用(Grey procedures, can be a simple two-dimensional data projections, simple and practical)

基于星座图的QPSK仿真，易于理解QPSK的原理(QPSK constellation based on simulation, and easy to understand the principles of QPSK)