最小二乘曲线拟合

说明：  海浪模拟，基于PM谱，根据海浪频率波高等因素(Wave simulation, based on PM spectrum, according to wave frequency wave higher factor)

matlab 程序 圆锥拟合 使用最小二乘法(matlab cone fitting procedure using the least squares method)

模拟隧道开挖后受力及变形，初始地应力清零及接触面分析处理。( U6A21 u62DF u96A7 u9053 u5F00 u6316 u53D7 u53B0 u53E u53E u53F8 u53E U6790 u5904 u7406 u3002)

浸入边界法（Immersed Boundary Method）的一个示例程序。包括说明文档。(A code using the IBM (Immersed Boundary Method ) . And the help documention is included .)

说明：  本实验是利用卡尔曼滤波器实现一维匀加速运动的轨迹跟踪。卡尔曼滤波是一种时域滤波方法，它采用状态空间方法描述系统，算法采用递推机制，数据存储量小，在导航领域有成功的应用。(This experiment is the use of Kalman filter to achieve a one-dimensional constant acceleration of the trajectory tracking. Kalman filter is a time-domain filtering method, which uses state-space description of systems, algorithms using recursive mechanisms, data storage a small amount of success in the navigation area of the application.)

说明：  此代码包括牛顿法和梯度下降法的实现过程，最优化以及算法中常见的问题解决方式(This code includes the process of Newton method and gradient descent method)

这个windows下可视化晶体结构的软件,可用于构造晶体,界面,表面...对于做第一性原理初始模型的构建以及结果的可视化分析特别有用处.(Under the windows crystal structure visualization software can be used for the crystal structure, interface, surface ... do first principles for the construction of the initial model and the results of visual analysis is particularly useful.)

说明：  粒子滤波重采样算法对比与分析，matlab实现。(Particle filter resampling algorithm comparison and analysis, matlab achieve.)

短时傅立叶变换及其反变换---绝对可运行！(Short-time Fourier transform and its inverse transform- absolutely can run!)

该文件解决了电磁场和天线问题计算当中的近远场转换的问题，它也可以应用在一般散射问题的求解中。(this file contains an algorithm that could solve problems within the EM and antenna near to far field questions. Also, it could be used in general scattering problems.)