matrix

可以实现十几位整数的四则运算，效率也较好(Four operations can be more than a dozen integer,and the efficiency is better)

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

吉尔算法积分一阶微分方程组初值问题的C语言描述，包括主函数、计算微分方程组中各方程右端函数值的函数程序、计算雅克比矩阵的函数程序、矩阵求逆程序等。(GEAR algorithm integral first order differential equations initial value problem of the C language description, including the main function to calculate the differential equations in the equation right function value function procedures, functions Jacobian matrix calculation procedures, matrix inversion procedures.)

计算牛顿和拉格朗日插值方法,用户输入插值结点(calculated Newton and Lagrange interpolation methods, user input interpolation nodes)

C++编写的电力系统潮流计算程序，采用牛顿法，并考虑到节电优化编号，5,14,57,300节点验证正确(Power flow calculation program, C++ written using Newton' s method, taking into account the number to the power-saving optimization, 5,14,57,300 node authentication)

四阶龙格库塔法函数更新四元数程序代码,采用VC编写(Fourth-order Runge-Kutta method function is updated quaternion code)

四阶龙格库塔法解一阶二元微分方程 应用于数值计算(Fourth-order Runge-Kutta method for solving a class of binary differential equations for numerical calculation)

计算流体动力学中湍流模型的源程序，代码十分宝贵(Computational fluid dynamics model of the source of turbulence, the code is very valuable)

frft程序函数，分数阶傅立叶变换，短时傅立叶变换，傅立叶变换(the frft program function, fractional Fourier transform, short-time Fourier transform, Fourier transform)

湍流模型re计算流体力学软件udf 可以用于修改UDF文件(turbulence model FLUENT)