the-normal-line-of-the-gear

计算天体力学中常用的HANSEN函数,对偏心率小于0.1时适用(This code for hansen function )

这些代码可以用于产生一系列随机数，可以根据需要使用。(These codes can be used to generate a series of random numbers may be used as needed.)

用C语言编写的Fluent UDF实例，包含Adjust宏，profile宏等八个实例教程，快速上手(The UDF is for computational fluid dynamics software Fluent, it concludes the Profile.c,the Adjust.c)

C#编写的三次样条插值函数，TSS法求解对角矩阵方程函数，插值点函数值计算函数。(prepared by the cubic spline interpolation function, TSS method diagonal matrix equation function, interpolation function point value function.)

三階拉格朗日內差法。使用了Farrow結構，簡化三階多項式係數之運算。(third-order Lagrange interpolation algorithm. use Farrow structure to simplify the coefficients of the polynomial of Lagrange method.)

螺旋桨唱音信号建模，FFT变换后有明显的谐波(The propeller singing sound signal is modeled, and FFT transformation has obvious harmonic )

幂律分布的数据案例，这个案例数据有助于理解幂律分布的计算公式。(The case of power-law distribution of data, case data will help to understand the power-law distribution formula.)

用牛顿法解非线性方程组(包括论文及源程序)(with Newton method for solving systems of nonlinear equations (including papers and source))

C++实现的FFT，详细，简单，内含多个测试类(using C++ implements fft，including serials class)

跟踪中心轨迹内点法最优潮流程序 实现了有功损耗最小的经济分配。 本程序用ieee14节点网络测试(Interior point method OPF program to achieve the minimum power loss of economic distribution. The program ieee14 node network test)