arithmetic_main

说明：  用于识别图片中有多少个圆。用户只要用windows下的画图随便画若干个圆（不能交叉，但是可以包含）。保存成256色的bmp格式，该程序就能判断出你画的图片上有多少个圆(Used to identify the picture in many circles. Users only need to use the windows painting random drawing under a number of round (can not cross, but it can contain). Save as 256 color bmp format, the program can determine the picture you draw the number of round)

exercise for newbie matlab

matlab数值计算，包括解方程，求极值，微分，统计，拟合和插值等函数。(matlab numerical calculation, including the solution of equations, and extreme, differential, statistics, such as function fitting and interpolation.)

我编写的改进的elman神经网络应用程序，第一次上传(prepared by the improved elman neural network applications, the first upload)

用粒子滤波产生各种分布的随机数，包括指数分布、高斯分布、二项分布，用MATLAB实现的(Particle filter with a variety of random number generation, including the exponential distribution, Gaussian distribution, binomial distribution, with a MATLAB implementation)

现代社会发展要求通信系统功能越来越强，性能越来越高，构成越来越复杂；另一方面，要求通信系统技术研究和产品开发缩短周期，降低成本，提高水平。这样尖锐对立的两个方面的要求，只有通过使用强大的计算机辅助分析设计技术和工具才能实现(Social development of modern communication systems require increasingly strong, the performance is getting higher and higher, which constitute more and more complex On the other hand, communications systems technology research and product development to shorten the cycle, reduce costs, improve the level. This in sharp opposition to the two requirements, only through the use of powerful computer-aided analysis and design techniques and tools can be achieved)

位移约束下，利用ESO方法进行连续体结构拓扑优化(ESO method-based topology optimization of the continuous structure under the constraint of displacement)

A collection of useful matlab commands for easy reference and lookup of commands, I hope you like it

This program in matlab encrypts the image in frequency domain

biosig生物工具箱,免费哦，经测试完全可以用(biosig4octmat-2.82 include biosig,NaN,tsa biosig_installer.m )