ch7_2_2

Servlet programs for begginers. That could help iniciant developers.

Test insertion of an abstract method in a superclass.

有压缩感知算法两种实现方式； 包括GPSR_BB和GPSR_Basic算法 有一个demo可以用来学习，部分内容根据自己的理解加了中文注释(There are two implementations of compressed sensing algorithm. Including GPSR_BB and GPSR_Basic algorithm There is a demo that can be used for learning. Some of the contents are annotated in Chinese according to their own understanding.)

说明：  最优化算法，使用信赖域法（LM）求解无约束问题。可以实现画出三维图像，通过修改初始点，得到迭代次数和函数值(Optimization algorithm, using LM method to solve unconstrained problems. Three dimensional images can be drawn, and the number of iterations and function values can be obtained by modifying the initial points.)

revised simlution four level bad

Best book on computer architecture out there. Explains in deep state-of-the-art technology nowadays implemented in every cpu.

利用粒子群优化算法来求解PID参数的一个好例子(get PID parameters based on PSO)

说明：  用C来编写MEX文件调用MATLAB，很有实用性(MEX using C to write a document called MATLAB, very practical)

《最优阵列处理》一书第五章的MATLAB例程，关于阵列空时模型的算法。(" Optimal array processing," the sixth chapter of a book of MATLAB routines, including the optimal beamforming algorithm.)

关于ofdm的matlab仿真，包括绝大部分基于802.11a标准的程序。(about matlab simulate of ofdm system,including the most program base on 802.11a standar.)