FDTD

详细介绍了PMF-FFT的原理和实现方法，对于初学者有一定的帮助(Details of the theory and implementation of PMF-FFT, there is some help for beginners)

气泡根据内外压力差变化的动网格。。。。。。(bubble dynamic mesh )

mie散射计算，包括吸收系数，散射系数等。所需参数为m,x(mie scattering coefficients. The required parameters for m, x)

利用支路追加法求阻抗矩阵,解：输入数据如下: 请输入节点数:n=a 请输入支路数:nl=b 请输入由支路参数形成的矩阵: B=[i j z bc t it ......]其中ij为支路端点，z为支路阻抗，bc为对地电容，t为变压器变比，it表示i端点是否与变压器直接相连。 (Seek additional method using branch impedance matrix)

时间序列预测算法。支持5种常见的算法 移动平均 非线性回归 指数平滑等(ar, ardemo ma)

程序设计的一些基本算法 及其应用 有很高的应用价值(Some basic programming algorithm and its application has a high value)

实现位场数据的向上延拓运算，有效的消除数据中的噪音及浅部干扰。(Realize the potential field data upward continuation operator, effectively eliminate the noise in the data and shallow interference.)

把 Maxwell 方程式在时间和空间领域上进行差分化。利用蛙跳式(Leap frog algorithm)--空间领域内的电场和磁场进行交替计算，通过时间领域上更新来模仿电磁场的变化，达到数值计算的目的。(The Maxwell equations in time and space on the field differencing. Using the leapfrog (Leap frog algorithm)- Space field for alternating electric and magnetic fields calculated by the time domain electromagnetic field is updated to mimic the changes to achieve the purpose of numerical calculation.)

通过C语言，实现龙格库塔法，用四阶龙格库塔法求解一阶微分方程组。(Through the C language, the realization of Runge-Kutta method with fourth-order Runge-Kutta method for solving first-order differential equations.)

雅可比迭代（过关法）计算实对称矩阵的特征值和特征向量(Jacobi iteration (immigration law) the calculation of Real Symmetric Matrix Eigenvalues and eigenvectors)