双摆

用数值求解一阶贝塞尔函数的前10个零点并作出曲线(Numerical solution of the first-order Bessel function of the top 10 zero point and make a curve)

求解椭圆型方程生成二维翼型网格，并采用逐线松弛迭代技术求解了二维翼型绕流，这是CFD计算中的典型例子，是cfd初学者的很好的学习例子。(Solving elliptic equations, generating two-dimensional airfoil mesh, and using line relaxation iterative technique to solve the two-dimensional airfoil flow, which is a typical example of CFD calculation, a good example for new CFD learner.)

说明：  用来指数曲线拟合，包括曲线平滑 扣基底 参数拟合 绘制曲线(Used for exponential curve fitting, including curve smoothing)

MIKE21BW应用程序，用于海绵层和孔隙层的计算(MIKE21BW application for calculation of spongy and pore layers)

说明：  一个基于有限元方法的平面问题求解器，支持网格类型为二维四边形四节点单元和四边形八节点单元的有限元网格： 前处理——用Abaqus建模编号并导出数据 在Matlab中读取数据文件 计算单元刚度矩阵（采用高斯积分），组集结构刚度矩阵 组集结点载荷向量，引入位移边条 求解结点位移，单元应力应变 后处理——绘制应力应变位移云图，与Abaqus结果对照(A plane problem solver based on finite element method)

说明：  根据地层参数（速度、密度、厚度），设计相应子波，合成地震记录(According to the formation parameters (velocity, density, thickness), the corresponding wavelet is designed to synthesize the seismic record)

光纤型SPR传感器的透射谱，通过最为常见的SP理论，使用MATLAB模拟器透射谱情况。(Transmission spectrum of fiber optic SPR sensor)

利用matlab对轴系当量模型扭转振动的振型和频率进行计算(Calculation of torsional vibration modes and frequencies of shafting equivalent model by MATLAB)

For the model of indoor air distribution tuyere proposed by Professor Zhang Tengfei, this paper is UDF code for fluent simulation.

功能为求解系数矩阵为三对角矩阵或者循环三对角矩阵的线性方程。 输入的四个参数均为行向量，分别对应系数矩阵的上副对角线，主对角线，下副对角线，以及方程等号另一侧的常数矩阵(The four parameters of the input are line vectors, which correspond to the upper diagonal lines of the coefficient matrix, the main diagonal line, the lower diagonal line, and the constant matrix on the other side of the equation.)