matlab_code3

用MATLAB仿真瑞利信道下的BPSK系统的误码率 和信噪比的关系曲线。(Using MATLAB simulation under Rayleigh channel BER BPSK system and the relationship between the curves of signal to noise ratio.)

病态方程组求解的matlab程序，涵盖LU分解、Jacobi迭代、GS迭代、SOR迭代四种方法，通过输入参数M来选去对应的算法。(Sick Equations matlab program, covering LU decomposition, Jacobi iteration, GS iteration, SOR iterative four methods, through M to choose input parameters to the corresponding algorithm.)

Illegal Format Code Point Exception extends Illegal Format Exception implements Serializable.

五点差分格式解重调和问题，采用适当的技巧将其分解成两个Possion方程求解(Five-point difference scheme solution Biharmonic)

3Dof hydraulic system

说明：  关于通信系统仿真中的直序扩频序列的仿真系统的仿真问题的解决方法(Communication System Simulation on Direct Sequence Spread Spectrum Sequences simulation system simulation solution to the problem)

选拨赛数学建模题目-网络谣言的传播模型。文件中包括题目、参考文献和matlab代码。basic.m中是最简化的模型，extend1.m中更进一步，算法中引入老年人和年轻人的活跃程度和对谣言的易信度的不同，beacons.m中再进一步引入网络警察角色来演化谣言的传播。(American Mathmetical Modeling Competition. Title:Spread of Internet Rumours.The file inclueds the title document,the reference literature and the MATLAB code.)

EKF_UKF_PF三种算法的比较，仿真结果很明显。(EKF_UKF_PF comparison of three algorithms, simulation results are obvious.)

有限元求解结构固有频率和振型、显示（中心差分法，Newmark法）、隐式法、非线性法程序(middle difference/Newmark/nonlinear)

只有画笔和画刷的练习，用户可以根据自己的需要修改相关的代码(Only the practice pen and brush, the user can modify the code to suit your needs)