leapfrog

计算流体力学重要算法 simple算法计算顶盖驱动流动。(An example for using SIMPLE algorithm to computing lid driven flow in CFD)

卡尔曼滤波程序，两变量滤波；正弦信号跟踪；卡尔曼差分到状态方程的转换；卡尔曼同滑动平均比较(Kalman filtering process, the two variable filter sinusoidal signal tracking Kalman differential equation of state of the conversion Kalman compared with moving average)

基于全相位谱分析的相位差频谱校正法，结合了全相位FFT与传统FFT谱分析法。(Phase Difference Correcting Spectrum Method)

说明：  布谷鸟多目标算法用来函数寻优，本代码给出了通用版本，能够很好的适应和学习(CS algorithm used to function optimization, this code gives a general version, can adapt and learn well)

空间计量经济学常用的casetti_models、far_models、gmm_models、gwr_models、sac_models、sar_models等多种模型源代码(Multiple models of the used spatial econometrics casetti_models, far_models gmm_models gwr_models sac_models sar_models source code)

wolfe程序模块的C++算法，可以重复使用,对于解决一维搜索是很好的..(C++ algorithm wolfe program modules can be reused for solving one-dimensional search is good ..)

说明：  用混合同余法生成两组伪随机数，利用投针试验求圆周率。软件：matlab。(Two groups of pseudo-random numbers are generated by the method of mixed congruence, and the circularity is calculated by the test of inserting needle. Software: MATLAB.)

一个简单的网格生成程序，操作方便，易学，类似于easymesh！(A simple grid generation program, easy to operate, easy to learn, like easymesh!)

得到一个人二值矩阵后，计算一个二值矩阵的聚类系数，来表示矩阵的特征(when you have a 0-1 matrix ,you can calculate its clusterig through my program)

圆面上的点到圆心的距离 圆面上的点到圆心的距离 圆面上的点到圆心的距离 圆面上的点到圆心的距离(Round surface of the distance from point to circle center point of the surface of the distance to the center circle to the center point of the surface of the distance from the surface point to the center circle distance)