FFT

求解实系数方程组的高斯消去法，约当法，追赶法，分解法，平方根法，大型稀疏方程组法(Solving real coefficient equations of the main Gaussian elimination, about the law to catch up with France, large-scale sparse equations.)

用有限差分方法求解波动方程，画出波场快照，模拟波在地下传播！(The wave equation by finite difference method, draw the wave field snapshot, simulate wave propagation in the underground!)

编程序，按如下要求来求解n元一次线性方程组（假设方程组具有唯一解）。 （1）方程个数n之值由用户通过键盘输入； （2）方程组存放在“增广矩阵”A之中，而n行n+1列的A存储空间通过new来动态分配，且A的各元素值也由用户通过键盘输入 (Allocation procedures, the following requirements to solve the n-a system of linear equations (assuming a unique solution of equations). (1) the number n of the value equation by the user through the keyboard input (2) equations stored in the augmented matrix A, while n line n+ 1 column A storage space through the new dynamically allocated, and A The value of each element by the user through the keyboard input)

说明：  APdL参数化有限元分析技术及其应用实例(APdL parameterized finite element analysis techniques and its application)

对一个微带天线使用FDTD方法进行计算和分析，得到该天线反射系数，远区辐射场等信息(Right a microstrip antenna to use the FDTD method carry on calculated and analyzed, get this antenna reflection coefficient, far Ou radiation field and other information)

TOCHNOG PROFESSIONAL，有限元开源源程序。c++语言(TOCHNOG PROFESSIONAL, finite element open source. c++ language)

说明：  对时间序列进行滤波，去掉噪声，得到平滑后的数据(Filters a time series via Lanczos method (cosine filter).)

计算几个复杂的天气诊断指数，最大对流稳定度指数，下沉对流有效位能，风暴强度指数等(The complexity of calculating the number of diagnosis index of the weather, the largest index of convective stability, subsidence CAPE, storm intensity index)

用visual basic编译的布谷鸟算法的源代码,是一种很好地启发式智能算法。(Use visual basic compiler cuckoo algorithm source code, is a good heuristic intelligent algorithm. )

abaqus子程序fric摩擦材料clough-duncan模型，二三维通用，已经验证(abaqus subroutine frictional material fric)