PCA

用于计算汉字笔画的程序,可对多个汉字同时计算(The procedures used to calculate the Chinese character strokes)

HIGH DIMENSIONAL FEATURE REDUCTION VIA PROJECTION PURSUIT

介质共形FDTD技术，可以很好地计算圆柱介质的谐振频率，也可以计算谐振腔中含有介质球的谐振频率(Dielectric conformal FDTD technique can be a good medium to calculate the resonant frequency of the cylinder can also calculate the resonant frequency of the resonant cavity containing a dielectric sphere)

遗传算法优化程序，对汽车传动比进行优化，目标函数为经济性。(Genetic algorithm optimization procedures for automotive gear ratio to optimize the objective function for the economy.)

说明：  基于DCT的数字水印技术论文，及相关的源代码(ji yu DCTde shuzi shuiyin jishu ,ji xiangguan wendang )

产生高斯脉冲的前15阶导函数。该函数的输入参数为：矢量t定义时间轴；高斯脉冲导函数的阶数k，取值范围[1，15](have a Gaussian pulse of 15 derivative function. The function of the input parameters : vector defined time frame t; Gaussian pulse derivative function of order k, value in the range [1,15])

Silicon channel semivector : Applies the semivector modesolver to compute the TE mode of a sub-micron silicon waveguide. Comparison with the full-vector solution demonstrates some of the inaccuracy of the semivector approximation.

算术编码的Matlab实现，用于该编码的各种压缩、加密应用中，参考程序。(Arithmetic Coding program using Matlab.)

系统实现了笛卡尔坐标、大地坐标和站心坐标相互系转转换，以及单点定位、卫星历元信息查看功能。(Cartesian coordinate system implements, geodetic coordinates and topocentric coordinate mutual transfer system conversion, as well as single-point positioning, satellite epoch View feature.)

double_pendulum_init initial for the pendulum