jiulie

利用龙格库塔法（等步长，变步长）计算椭圆方程，双曲线方程，抛物线方程等。对各类微分方程进行数值计算。(The use of Runge-Kutta method (such as step, variable step size) calculated elliptic equations, hyperbolic equations, such as parabolic equation. Various types of differential equations for numerical calculation.)

一个简单的傅立叶带亮度描绘子提取图像的形状特征程序(A simple Fourier descriptor with the brightness of the image shape feature extraction procedures)

说明：  采用Lax-Friedrichs通量分裂，使用C++编写程序，有限差分法(Lax-Friedrichs flux splitting, C ++ programming, finite difference method)

计算流体力学安德森第七章练习作业，附源程序。。(CFD Anderson Chapter VII practice operations, with source code. .)

说明：  计算混沌系统的lyapunov指数和poincare截面(Calculation of chaotic systems lyapunov index and cross-section poincare)

用基于主元分析的方法对被控过程进行建模，可以消除变量之间的贡献性。(Accused of process modeling method based on principal component analysis, contribution between the variables can be eliminated.)

说明：  经典圆柱绕流算例，基于palabos开源软件，计算结果非常好(cylinder flow with palabos)

用LU和LDU分解求解方程组，给出了详细说明(The equations are solved by the decomposition of LU and LDU, and the detailed description is given.)

用于多学科设计优化中代理模型技术，移动最小二乘法是代理模型方法的一种(For multidisciplinary design optimization in the agent model, the moving least squares method is a kind of agent model)

偏微分方程数值解法的程序包，其中包括laxfriedrichs，laxwendroff和迎风格式等例程(Numerical Solution of Partial Differential Equations of the package, including laxfriedrichs. laxwendroff upwind and other routines)