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雅可比迭代（过关法）计算实对称矩阵的特征值和特征向量(Jacobi iteration (immigration law) the calculation of Real Symmetric Matrix Eigenvalues and eigenvectors)

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)

这是一本关于大型有限元模拟软件ABAQUS的英语书籍，从入门介绍到应用实例，还可以学习英文。如果你需要你一定会喜欢的。(English contents: 1. Introduction 2.Bar Element 3.Beam Element 4.Rigid Jointed Frames 5.Stress and Strain Analysis 6.Weighted Residual Methods 7.Finite Element Approximation 8.Numerical Integration 9.Plane Problems 10.Axisymmetric Problems 11.Thin and Thick Plates )

复化求积公式计算定积分 包括 复化梯形 复化辛普森 等(complexification quadrature formula to calculate definite integration)

x-y图解法求二元精馏塔理论塔板数 本文件是一个m文件,要在matlab环境下运行(x-y graphical method for binary distillation theoretical plate number of this document is a document m, the operating environment Matlab)

可以方便求解非线性偏振旋转锁模光纤激光器的脉冲传输(You can easily solve the nonlinear polarization rotation mode-locked fiber laser pulse transmission)

分析两时间序列之间的超前和之后关系，计算滞时长度，多用于水文气象方面分析研究(Analysis ahead of and after the relationship between the two time series, calculating the lag length, used for the analysis of hydrometeorological)

计算流体动力学中湍流模型的源程序，代码十分宝贵(Computational fluid dynamics model of the source of turbulence, the code is very valuable)

计算等径双圆筒透镜的场分布，并画出等位线分布图(Calculation of Electron Physics )

正入射的自由曲面透镜设计，计算获得透镜的二维坐标(The free-form surface lens is incident on the design, the two-dimensional coordinates of the lens calculated)