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matlab中实现箭头的程序，直接作为函数使用。(matlab realize the arrow in the procedure)

用刷选法求出100之内的素数。并输出数有多少个。(100 prime number is calculated by the method of selection. And the output count how many.)

二维情况的chan定位算法，1994年原版论文代码实现，可以支持远近和linear nonlinear四种模式(2 dimension chan algorithm, TDOA localization. Including near, far field and linear nonlinear sensor array)

说明：  并联机器人MARALAND,其数值解及解析解，正解和逆解以及雅可比矩阵及动力学问题分析(Parallel robot maraland, its numerical solution and analytical solution, positive solution and inverse solution, Jacobian matrix and dynamics analysis)

说明：  PoleyFitqw曲3线3拟w合类q库 PolewyFitqw曲w线拟w合t类库 PoelywFitq曲w线拟t合类t库 PoelyFtitq曲er线rw合类t库 PolywrFitq曲q线拟wt合t类库(Pwoly33FiwtPoleetPwolyFit555PolywFit)

根据极限状态方程，计算结构的可靠度和敏感度程序(According to limit state equation, the calculation of structural reliability and sensitivity procedures)

利用Dijkstra算法计算最短有向路小程序(Dijkstra algorithm using the shortest way there is a small program to)

4种计算积分的方法，并对精度进行比较，梯形法则，simpson法则(4 methods for calculating integral)

流形学习程序，Isomap，LLE，LTSA，etc，非线性数据降维(manifold learning, Isomap, LLE, LTSA, etc, nonlinear data dimensionality reduction)

Matlab code FDTD 2D ( dennis sullivan book )