Numerical-Methods-Engineering

帮助大家认识蚁群算法 附上典型TSP的dat文件供大家测试(Ant colony algorithm to help you understand the typical TSP attached dat file for all the test)

CDMA 仿真程序 将txt改回m即可使用 主要是链路级的方针程序(CDMA simulation program will txt back to m is to use the principle of link-level procedures)

说明：  单级倒立摆的稳定控制，实际上是一单输入多输出系统的稳定控制。此时系统输入是电机控制电压u，输出是倒立摆竖直方向角度 和旋臂位置 。对方程(2.5)进行变形即得 与u 之间的输入输出方程,很明显,它是一个不稳定的二阶系统(Single inverted pendulum stability control, is actually a single-input multiple-output system stability control. At this point the system is a motor control input voltage u, the output is inverted pendulum angle and vertical position of spiral arms. Of the equation (2.5) for deformation of the gain and input-output equation between u, obviously, it is an unstable second-order system)

相关分析过程的matlab方法，采用累计贡献率的方法，混沌的判断指标Lyapunov指数计算。( Correlation analysis process matlab method, The method of cumulative contribution rate Chaos indicator for Lyapunov index calculation.)

matlab中的20个经典函数使用方法，是matlab使用者的宝典。(matlab function in the classical use of 20, is matlab user' s Collection.)

PSAT工具的文件介绍，很实用，非常适合初学者，希望对大家有用。(File PSAT presentation tool, very practical, very suitable for beginners, I hope useful.)

factorization of a matrix by householder

THIS BOOK FOR OBJECT ORIENTED SOFTWARE ENGINEERING

基于SIMPLE 算法模拟平板间强制对流速度与温度场的matlab程序，并可分析怒谢尔数，传热系数(SIMPLE algorithm simulation based on forced convection between flat rate and temperature field matlab program, and the number of anger Rochelle, heat transfer coefficient)

天在维普下载了一篇SPIHT算法改进的论文，（耿兴云，《基于改进SPIHT的静态图像编码》，电脑知识与技术：学术交流-2007年5期），我根据该文提出的改进算法，用Matlab来实现，却发现改进算法的程序运行速度比原算法还要慢，希望有兴趣的朋友进来看看，评论一下原因。(Days in the VIP downloaded a SPIHT algorithm to improve the paper, (Gengxing Yun, " based on improved SPIHT still image coding," Computer Knowledge and Technology: 5-year academic exchange-2 007), in accordance with this paper the improved algorithm Matlab to achieve, but found that the improved algorithm runs faster than the original algorithm is also slow, hope to have interested friends come to see, comment on why.)