3D-fdtd

有限元法利用铁摩辛柯梁计算转轴质量刚度阻尼矩阵(Finite element method using the Timoshenko beam to calculate the stiffness and damping matrix of the shaft quality)

自己实现的一个简单的计算器，支持大数的加减乘除、开平方等操作，不适用库函数。(Themselves to achieve a simple calculator, to support the addition and subtraction, multiplication and division of large numbers, such as square root operations, library functions do not apply.)

可是实现产生均匀分布的混沌序列，可以用于均匀分布的伪随机发生器(uniform distribution of the chaotic sequence)

利用多元回归分析对气象站点数据进行插值运算。(The data of meteorological stations are interpolated by multiple regression analysis.)

求边界层方程的相似解法，使用四阶四级经典龙格库塔方法推进，适用于平板边界层，绕楔形体边界层流动等(Seeking boundary layer equations similar solution, using fourth-order Runge-Kutta method to promote four classic for boundary layer around the wedge boundary layer flow, etc.)

这个我写的一个计算LC滤波器的程序，可以显示出最后的频率截止情况，有最平法，椭圆法等计算方法(this, I wrote a calculation of the LC filter procedures can demonstrate that the frequency of the final deadline, the most-France, oval law calculation method)

14节点牛拉算法计算潮流程序，用于电力系统的潮流计算程序，可以直接用于潮流计算，也可以用于学习潮流计算的流程和方法。(For power flow calculation program, can be used directly flow calculation can also be used to study flow calculation processes and methods.)

基于干扰矩阵的重置和导向矢量估计的数字波束形成，程序经过优化，可运行，里面包含了一个矩阵求积分的子程序，可参考(Reset based on interference matrix and steering vector estimation of digital beamforming, the program has been optimized to run, which contains a matrix integral subroutines, refer to)

converts binary sequence to decimal sequence

静力缩聚法求缩聚后的结构刚度、质量矩阵，以及频率(Static condensation method for structural stiffness after condensation, mass matrix, and the frequency)