leapfrog

典型的二维kalman滤波原理程序，容易掌握！(typical two-dimensional Kalman filtering process easy!)

卡尔曼机动，加入了对机动的检测和处理，对于机动模型，滤波解更加有效(Kalman mobility, the right to join the mobile detection and processing, motor model, a more effective filtering solution)

经典的可编程添加模块的面向对象的有限元程序代码(C++ code for OOFEM based on multi-systems)

用三元组表为结构，实现稀疏矩阵的加法并输出。(Achieve sparse matrix addition)

小波包分析提取振动信号中的特征频率，调试通过可以使用，自己编的5种调制信号。( Wavelet packet analysis to extract vibration signal characteristic frequency, Debugging can be used, Own five modulation signal.)

说明：  自己编写的期望最大化（EM）算法的MATLAB实现，里面有较为运行方法和程序说明，对新手有很好的帮助( I have written the expectation-maximization (EM) algorithm in MATLAB, which has run more methods and procedures described, there is a good help for the novice)

最小二乘法求超定线性方程组得C＋＋模板，还包括矩阵求逆，矩阵乘法等小函数(Overdetermined least-squares method of linear equations have to C templates, also includes matrix inversion, matrix multiplication, such as small function)

基于递推最小二乘法进行系统辨识的基本原理,对给定的实际输入输出数据运用MATLAB的M语言编写递推最小二乘算法(The basic principle of system identification based on recursive least squares method, using the MATLAB M language to write recursive least squares algorithm for given actual input and output data)

无约束优化问题的阻尼牛顿法python代码(Damped Newton Python code for unconstrained optimization problems)

对机械中的振动信号进行傅立叶变换，作出频谱图进行分析。(Fourier transform of the vibration signal)