Calculator

将一些标准数值与非数值算法集中封装在几个DLL中,需要用时可在VB/Delphi/C#中分别调用,这里提供了3个小程序,分别用于线性方程组求根、计算行列式的值、矩阵求逆。(Some standard numerical and non-numerical algorithm focus on packaging in several DLL, it is necessary to use when in VB/Delphi/C# Call, respectively, this provides three small programs, respectively, for the roots of linear equations, calculation of the value of the determinant, matrix inversion.)

CT迭代重建算法中3维投影矩阵的生成算法，该算法对学习计算机断层层析成像很有帮助。(CT image reconstruction projection ,3D)

可以用于科学计算的库，数值计算库，只要将头文件包含即可。(Can be used for scientific computing libraries, numerical libraries, header files will be included as long as you can.)

糊涂先生给他的五个朋友写信，他写了五封信，但是当他的朋友收到信后，都告诉他：“你的信寄错了”。那么请你计算一下：出现这种情况的概率有多少？（假设糊涂先生是随机地往信封里装信的），你能不能把所有的情况都列出来呢(Mr. foolish to write him five friends, he wrote five letters, but when his friend received a letter, told him: )

2维TE波的FDTD的源程序。周期边界条件，有限宽度的吸收边界条件(Two-dimensional TE wave FDTD source. Periodic boundary conditions, the limited width of the absorbing boundary conditions)

c++算法源代码，主要是POJ上面的算法，根据标号可以找到。(c++ algorithm source code, POJ above algorithm, based on the label can be found.)

基于全相位谱分析的相位差频谱校正法，结合了全相位FFT与传统FFT谱分析法。(Phase Difference Correcting Spectrum Method)

fluent模拟焊接，熔滴过渡的质量源项(Welding Simulation， mass source)

说明：  矩阵的转置，相乘及界面的面换稀疏矩阵的三元组相加(Sum of the transpose of the matrix, multiplying, and interfacial surface replacing the sparse matrix triples)

用LBM结合非平衡外推方法实现的圆柱绕流，柱面边界以非平衡外推方法实现。(LBM combined with the extrapolation method of achieving non-equilibrium flow around a cylinder, cylinder boundary to achieve non-equilibrium extrapolation method.)