c_and_f

说明：  平面问题的有限元基础，大家可以参考一下学习学习(The finite element foundation of the plane problem, you can refer to it)

用矩阵法求定积分1/(1+x^2)dx，区间是（-4，4）(Definite Integral Matrix Method)

DFP法求优化问题的C++源代码，经测试，该程序运行正常，得到了预期的结果。(DFP method for the optimization of C++ source code, tested, the program works correctly to get the desired results.)

录音程序，音频录音fft程序，并加界面显示(radio record code)

支持向量基预测的小数据量的预测方法。包括数据拟合，多项式预测等功能()

多物理场耦合软件采用有限元方法模拟rtfindgen(Coupled multi-physics simulation software using the finite element method rtfindgen)

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.)

用谱方法计算流体力学一些流动现象的整体稳定性,MIMO OFDM matlab仿真,本程序的性能已经超过其他算法。( Spectral methods of computational fluid dynamics flow of some of the overall stability of the phenomenon, MIMO OFDM matlab simulation, This program has exceeded the performance of other algorithms.)

有限元n维实体材料单元，仅供科研用途，拒绝商业使用(N-dimensional finite element solid material element, for scientific purposes, refusing commercial use)

任意数学表达式计算的源码及测试软件 (Calculation of arbitrary mathematical expression of the source code and test software)