kalman_fliter_nine

将ABAQUS的ODB结果文件按照人为要求在文本文档中记录(On ABAQUS ODB results file records in a text document in accordance with human requirements)

nsolgm 算法 是求解非线性方程组的一种非常有效而且又快捷的方法(nsolgm algorithm for solving nonlinear equations is a very effective and efficient way and)

说明：  siPLS和biPLS是两种用于近红外光谱特征波段筛选的变量选择方法，可筛选出与兴关注指标密切相关的特征波段，并去除无关和干扰变量，提高模型稳健性(Bipls and sipls are two variable selection methods for screening the characteristic intervals of near-infrared spectra, which are closely related to performance indicators, to improve the robustness of models.)

数值计算的算法，采用c++实现，移植容易，一定能够用。(Data processing)

说明：  MATLAB使用欧拉Euler法求解微分方程组 源程序代码(SOURCE PROGRAM CODE OF DIFFERENTIAL EQUATIONS SOURCE SOLUTION USING EULER METHOD IN MATLAB)

多孔介质污染物迁移动力学地下水一维渗流的数学模型 差分求解(Contaminant migration in porous media groundwater dynamics differential one-dimensional mathematical model for solving seepage)

利用最小二乘方法，对三维数据进行平面拟合，并对数据进行误差提出(least square plane fitting )

此代码属于地球物理领域，是用有限差分开发的直流电法三维正演，基于FORTRAN平台，此代码具有很高的运算效率，对于从事地球物理领域的人来说是不可多得的(This code belongs to the field of geophysics, is developed using finite difference method of three-dimensional forward modeling of DC, FORTRAN-based platform, this code has high computing efficiency, people engaged in geophysical field is rare)

说明：  这是用matlab实现em算法的程序，简单，易懂，共同学习噢。(EM)

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)