LU.tar

该程序用fortran90编写，时域有限差分（FDTD)中的分裂场方法。解决了斜入射情况下周期结构的电磁散射问题。(FORTRAN90 prepared with the program, finite difference time domain (FDTD) method of splitting the market. Solved the case of oblique incidence of electromagnetic scattering from periodic structure issues.)

hybrid particle swarm optimization

脂润滑滑块接触滑块的计算方法，给定雷诺方程和膜厚方程，然后用迭代方法计算压力分布和膜厚分布，以及承载能力(Greased slide contact with the calculation method of the slider, a given Reynolds equation and the film thickness of the equation, and pressure distribution and film thickness distribution, as well as carrying capacity is then calculated by using iterative methods)

快速计算相关系数的c代码,比较适用于统计学(Very efficient implementations for calculating correlation efficients )

对于方程组AX=b，当系数矩阵非奇异时，对原方程进行改写，利用公式X^k=BX^(k+1)+g进行迭代求解。(For equations AX = b, when the coefficient matrix is ​ ​ nonsingular, rewriting the original equation, using the formula X ^ k = BX ^ (k+1)+g for iterative solution.)

用分离变量法求得波动方程傅里叶级数近似解，改程序可画出示功图(Wave equation is obtained by separation of variables method Fourier series approximation solution, the app can show the indicator diagrams)

开源的克里金插值算法 开源的克里金插值算法(Open source Kriging interpolation algorithm)

求解O-S方程特征值，可以适用于多种条件下的O-S方程特征值计算(To solving OS Equation characteristic value, can be applied to a variety of conditions OS equation eigenvalue calculation)

此程序是用多重散射理论计算二维声子晶体的结构的Fortran代码。(This program is multi-dimensional phonon scattering calculated crystal structure Fortran code.)

说明：  最速下降法就是梯度下降法,可以用于求解最小二乘问题(线性和非线性都可以)。可以说是求解机器算法的最古老、最经典的模型，另一种常用的方法是最小二乘法。(The steepest descent method is the gradient descent method, which can be used to solve the least squares problem (both linear and non-linear). It can be said that it is the oldest and most classical model for solving machine algorithm. Another commonly used method is the least square method.)