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计算变分问题的一种新的方法，收敛快速且数值稳定(Variational calculation of the problem, a new method of fast convergence and numerical stability)

运用vs上的控制台编译。主要功能是用于上课点名用的。并且点名时名字是随机出现的。(Class attendance)

汽车驱动力分析、行驶阻力分析和功率平衡图的绘制，根据汽车的12345档进行编程分析(Car driving force analysis, driving resistance analysis and graph drawing power balance, 12345 file programming analyzed according to the car)

根据已知的三维离散数据（x,y,z）,在MATLAB中利用此函数进行三维曲面拟合，再根据polyval2d得出拟合函数的系数矩阵。(according to 3D discrete datum (x,y,z),use this function in MATLAB to fit 3D surface, and use polyval2d to get coefficient matrix)

MATLAB简明课件，特点语言简练，易懂，内容丰富。事宜初学者。(MATLAB simple courseware, language features concise, easy to understand and rich in content. Matters beginners.)

一个蒙特卡罗算法程序，可以自己扩编改编次程序(a Monte Carlo algorithm procedures, the expansion can be adapted their meeting procedures)

模拟退火算法的matlab程序，用于解决tsp问题，运行通过。(simulated annealing algorithm Matlab procedures for the settlement tsp, running through.)

数值计算程序：用Cholesky分解方法求解方程组(Numerical calculation procedures: the Cholesky decomposition method for solving equations)

逻辑运算等避免冗杂快速写代码的方法 尤其是矩阵数组的经典(fast writing codes)

说明：  Arnold置乱算法代码,能根据Arnold映射实验二维图像的像素坐标置乱加密(Arnold scrambling algorithm code, according to Arnold experimental two-dimensional image map coordinates of the pixel scrambling encryption)