A-solver-for-1-D-RIEMANN-problem

基于多松弛因子的LB方法，运用C++编写方腔顶盖驱动流，计算方腔内流体的流场(Based on the LB method with multiple relaxation factors, the flow field of the square cavity top cover is written by C++, and the flow field of the fluid in the square cavity is calculated)

说明：  捷联解算,用于捷联惯导姿态结算，进行经纬度比较等等(Strapdown solution, used for attitude settlement of strapdown inertial navigation, longitude and latitude comparison, etc)

DOA估计：最大熵算法、最小模算法、最小方差算法。输入： 快拍数据协方差矩阵R，观察范围内各方向导向矢量，三维矩阵phiyz。输出：最小方差谱估计矩阵P。(DOA Estimation: maximum entropy algorithm, the minimum norm algorithm, the minimum variance algorithm. Input: snapshot of the data covariance matrix R, the steering vector of each direction in the observed range of three-dimensional matrix phiyz. Output: the minimum variance spectral estimation matrix P.)

基于分数阶傅里叶变换的线性调频信号的自适应时频滤波，希望对大家有用(Based on Fractional Fourier Transform Linear FM signal adaptive time-frequency filtering and hope for all of us)

利用c语言编写，编译成动态链接库而成的matlab整数规划工具箱,包含c语言源程序，(use of language, compiled DLL from the Matlab Integer Programming Toolbox contains language source c,)

这是ansys里面apdl语言，用于计算圆柱体开裂(This is the ansys inside apdl language, used for calculating the cylinder craze)

Levenberg Marquardt算法的matlab代码,简洁无误,结构清晰,便于快速学习。( LevenbergMarquardt algorithm matlab code, simple and correct, clear structure, easy to learn quickly.)

一元线性回归，数值分析方面可参考(one yuan linear regression, numerical analysis can look at the reference)

本程序可以实现在交错网格条件下的三维有限差分正演模拟(This procedure can be achieved under the conditions of the staggered grid finite difference forward modeling)

利用有限元理论，求一二维梁的固有频率和振型。短边固定，给定长度、横截面积，弹性模量及材料密度已知。并对比理论计算结果进行分析。各参数自己设定。(Using finite element theory, seeking a two-dimensional beam natural frequencies and modes. The short side is fixed, given the length, cross-sectional area, modulus of elasticity and density of the material is known. And compare the theoretical calculation results were analyzed. Each parameter set.)