60a

分别用三种不同的差分近似公式（前向差分、后项差分和中心差分）来技术函数的近似值(Respectively with three different difference approximation formula (forward difference, backward difference and central difference) approximation to the technical function)

非常有用的希尔伯特黄变换的实例程序，包括各作图程序( Hilbert Huang Transform example program, including the mapping program)

非线性控制中蛛网图，杜芬振子，分岔图，rossler，lorenz以及线性反馈，内动态等程序(Nonlinear control web map, DuFenZhen son, bifurcation diagram, rossler, lorenz and linear feedback, inner dynamic scheduler )

很经典的一款统计器,可以分时期统计访问量。(Statistics is a classic, you can sub-period traffic statistics.)

遗传算法用于解决多目标排课的优化问题,是一个好算法(genetic algorithm is used to solve the multi-objective optimization problem Course Scheduling is a good algorithm)

解线性方程组的直接法（标准数值算法），包括高斯消去法程序、列主元高斯消去法程序、LU分解以及用LU分解求线性方程组、Cholesky分解以及用Cholesky分解求线性方程组、改进的Cholesky分解以及用改进的Cholesky分解求线性方程组、解三对角方程的追赶法。全部为本人原创程序，且全部经过测试无误。共9个MATLAB程序。程序内部含详细注释。(Solving linear equations of the direct method (standard numerical algorithms), including Gaussian elimination procedure, the column pivot Gaussian elimination procedure, LU decomposition and the use of linear equations, LU decomposition, Cholesky decomposition, and find line with the Cholesky decomposition linear equations, Cholesky decomposition and improved using the improved Cholesky decomposition of linear equations, solution of tridiagonal equations pursuit method. All of my original program, and all tested correctly. A total of nine MATLAB. Internal procedures with detailed notes.)

区域生长算法，运行后鼠标左键单击图像区域的一点开始分割，可点击多次，单击右键结束运行。(Regional growth, and after the left mouse button click on image of a division, but it starts at times, click the right key to an end run. )

Adsorption Codes, for chemical Engineering, Auther codes, Doung Do

说明：  含有积分算法 依据光场分布的积分算法，使用积分算法计算探测面某点的光强 利用高斯光场的分布，计算不同探测角度的光强分布(Integral algorithm. The integral algorithm is used to calculate the light intensity of a point on the detection surface by integral algorithm.. The distribution of Gauss light field is used to calculate the intensity distribution of different detection angles.)

addmitance matrix for solving load flow analysis