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有限元法求解电场,精度高，计算速度快，可用于点电荷电场、电磁场等条件下的求解(Finite element method for solving electric field, high precision, fast calculation, can be used to point charge electric field, under the conditions of solving electromagnetic field)

一个小程序，关于一维扩散方程初边值问题的数值求解(a small procedure on the one-dimensional diffusion equation is the numerical solution)

说明：  二维MATLAB有限元程序，编程文件，内容很详细。(Two dimensional matlab finite element program)

4阶龙格库塔方程，给出了一个实例，并且写出详细的步骤和过程，看到就能会。(4-order Runge-Kutta equations, given an instance, and write detailed steps and processes that can be.)

patchwork算法实现低通滤波，高斯噪声，水印的嵌入与提取(patchwork algorithm to achieve low-pass filtering, Gaussian noise, the watermark embedding and extraction)

该文系统的归纳了相关matlb的重要应用函数 (In this paper, the system summarizes the important applications related functions matlb)

Expressing of Hybrid BFA-PSO,BFA-GA Algorithms and Dynamic-environment & Cooperative BFA. ------------------------------------------------ this file is with format of "SWF" and presented by "prof . Ji Zhen" . number of pages: 60 . including of: pseudo codes , flow charts , figures , simulations .

低通滤波器是容许低于截至频率的信号通过， 但高于截止频率的信号不能通过的电子滤波装置。 (low-pass filter )

解析wrf数据，并转化为格点数据,并可以定位任意时次的数据(convert wrf data to grid data)

DSP matlab应用这本书中的里例程，主要是第5掌的(DSP matlab application of this routine in this book is mainly in charge of section 5 of the)