code

BP神经网络的学习代码，是学习BP神经网络的入门代码，可以用于仿真实验(BP neural network to learn the code, BP neural network to learn the entry code can be used for simulation experiments)

本程序对同一文本在不同语言版本（英语，德语，芬兰语）下的单词频率进行统计，来检测齐夫定律(Zipf s law)在不同语言下的变化。(This procedure of the same text in different languages ​ ​ (English, German, Finnish) the word frequency statistics, to detect Zipf' s law (Zipf' s law) in different languages ​ ​ under the changes.)

根据海伦方程用矩量法编程MATLAB计算半波阵子天线的电流分布、归一化方向图、增益和阻抗(Under Helen equation using the method of moments programming MATLAB to calculate the half-wave time around the antenna current distribution, the normalized pattern, gain and impedance)

simulink files for fsk modulation and demodulation

说明：  短小精悍的Windows下硬盘序列号检测程序，能检测各种硬盘！(terse and forceful drive under Windows serial number detection procedure can detect various drives!)

很好用的matlab源代码，值得作为参考。源代码可以直接拿来应用。(can run smooth)

蚁群算法在TSP问题上的应用，一个小程序，仅供参考。(Ant colony algorithm in the TSP on the issue of applications, a small procedure, for reference purposes only.)

不考虑不平衡磁拉力（UMP），转子系统在自身的质量、阻尼、弹簧等作用下，轴心轨迹求解方法(unbalanced magnetic pull is not considerated and rotor center orbit is gotten)

说明：  一本很好的matlab教程，适合初学者，大家可以慢慢的学习哦 (matlab)

模拟介质光栅衍射光场行为，不同角度入射，得到不同的衍射花样。(simulation grating diffrcation)