arithmetic

说明：  埃特金不等距插值，有例子，检验过，很顺利(Aitken non-equidistant interpolation, there are examples of tests, it is smooth)

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)

流体力学SIMPLE算法（C语言编程实现）需自己设定边界条件(SIMPLE algorithm)

把十六进制数转换为十进制数，简单方便！能用于串口通信数据处理中(The hexadecimal number is converted to a decimal number, is simple and convenient! Can be used for serial communication data processing)

说明：  研究舍入误差的例程，可以帮助初学计算方法的人。(Of rounding error in the routine that can help beginners who calculation.)

离散数据生成tin的优秀代码，注释多，易于学习和移植(Discrete data generated tin excellent code, comments, easy to learn and transplantation)

基于FFT的海面模拟。能够实现海面的复制，波浪模拟效果较好。(FFT-based simulation of the sea. Be able to achieve replication of the sea, wave simulation better.)

用C++编写的一维和二维快速傅里叶变换程序(Prepared with C++ one-dimensional and two-dimensional fast Fourier transform procedure)

无迹卡尔曼滤波算法的c语言。网上找到的，貌似是老外编的，蛮不错的。(unscented kalman filter code of visual c.)

外国人写的卡尔曼滤波器算法的库，可以供大家参考，已经封装好了(kalman library)