uhard

二阶精度的FDTD正演算法，可用于井间电磁波探测模拟(The accuracy of the second order FDTD are algorithm Can be used to detect simulation between Wells electromagnetic waves )

小型水库的调洪，最大下泄流量的计算，采用试算法计算(Flood of small reservoirs, the largest discharged flow calculation, using the test algorithm)

三角形网格上的线性有限元方法求解Helmholtz问题，多项式重构以及Richardson外推(solve the Helmholtz equation with robin boundary condition on triangulation mesh, PPR and Richardson extrapolation)

说明：  各种滤波器，包括高通、低通、带通等滤波器，可用，直接输入数值即可，可直接使用，没有bug(bandpass filter,Band pass filter, available, direct input value, can be used directly, no bug)

处理任意两点间多条公交、地铁线路的到达问题此，改程序将一二问综合在一起，方便精简，运行速度快(Treatment between any two many bus, subway lines to reach this issue, change the program integrated with the twelve asked to facilitate streamlined, fast)

采用QR分解方法计算矩阵特征值和特征向量(computes a partial Schur decomposition of a square matrix or operator)

说明：  GM（1，1）灰色模型，便于了解其混沌特性，程序很短，由matlab编译，(GM (1,1) gray model to facilitate understanding of their chaotic behavior, a very short procedure, Matlab Compiler,)

fortran cases for BEM

采用dsp产生lorenz信号，以用于混沌保密通信，程序在ccs下调试并通过(using dsp have lorenz signal to be used in chaotic secure communications, Under procedures in ccs through debugging and)

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)