由grid数据生成等值线

通过对大量散乱点云求取临近点，临近点的个数可以设置。通过切平面法求得散乱点云每点的法向，并通过opengl绘制显示。

fft源程序，里面有一个fft的写好的类，大家一起分享一下吧-fft source code, which has a fft of written categories, share it with everyone

此程序为C语言编写的图形操作算法-procedure for the C language graphics algorithm

三态树：一个树控件的派生控件，完成item的三种状态-Tri-state tree: A tree control derivative controls, the three states to complete item

计算机常用数值计算算法与程序(C++),主要用于科学计算中的复数运算，多项式与连分式计算，矩阵运算，矩阵特征值与特征向量的计算，线性方程组求解，非线性方程(组)求解，插值，数值积分，常微分方程(组)求解，数值拟合与逼近，数据处理与回归分析，极值等。 -Commonly used computer algorithms and numerical procedures (C++), Mainly used for scientific computing complex in the computation, polynomials and continued fractions calculation, matrix operations, matrix eigenvalue and eigenvector calculation, solving linear equations , non-linear equation (group) to solve, interpolation, numerical integration, ordinary differential equations (group) to solve, numerical simulation and approximation, data processing and regression analysis, extreme value, etc..

一个很著名的数学建模（数学仿真）问题－小吃店服务问题的Matlab求解程序-a very famous mathematical modeling (Simulation) issue-service snack of Matlab procedures

一个简单实用的进制转换算法，该算法能实现二、八、十、十六进制的相互转化。-a simple and practical base for the conversion algorithm, the algorithm can achieve 2, 8, 10, hexadecimal the mutual conversion.

一个以状态方法表示的非线性系统,用其仿真模型,NLJ优化算法-State that a method of nonlinear systems, using the simulation model, NLJ optimization algorithm

数值分析中的N皇后问题，程序中含输入/显示界面，N的数值可在界面中自行设定。-Numerical Analysis of N Queen

07高教杯数学建模b题之北京公交车查询系统-07 Higher Education Cup title b Mathematical Modeling of Beijing Bus Inquiry System