Least-squares-linear

研究生动力学课程，计算多体动力学课程， 学习起来有点难度，如果有兴趣就看看吧(Graduate dynamics course)

多物理场耦合软件采用有限元方法模拟表面等离子体激元，适合入门学习者(Multi-physics coupling software using the finite element method to simulate the surface plasmon, suitable for entry-learners)

this is fft header file for fast fourier transform. with this file, you can compute frequency spectrum zero to tow pi.

复数的四则运算完整版，包括加减乘除，阶乘，开方等。。。(The plural arithmetic full version,, including addition, subtraction, multiplication, and division factorial, prescribing, etc...)

编写一个使用KMP算法的字符串匹配程序。 使用方法：字符串匹配.exe -f xxx.txt -s xxx -f 指定要查找的文件 -s 指定要查找的字符串(Writing a string matching algorithm using KMP program. How to use: string matching exe-f xxx.txt-s xxx-f to specify the file you want to find-s to specify the search string)

交错网格声波方程交错网格有限差分地震波场计算波场正演模拟。 (The CalCulation of the SeismiC Wave一 fieldwith Staggered-grid Finite difference Sheme )

用VBA在Excel里实现分级计算，实现通过年终奖和月收入计算个人所得税的功能。数据为2012年最新的标准，对于会计电算化人员有非常强的实用性。(VBA in Excel to achieve grade calculated to achieve the functionality of the calculation of personal income tax through the end of the year Award and the monthly income. The data for 2012 the latest standards, computerized accounting personnel have a very strong practicability.)

2维的FDTD C程序(2-dimensional FDTD C procedures)

它是一个计算热通量的c++程序，用udf导入fluent，既可以求解，非常好用的一个，可以作为入门的一个例子学习。(it is a calculated heat flux of c++ program, with udf into fluent, not only can solve, very easy to use one, can be used as a case study entry.)

说明：  本程序用在测试采煤机煤矸识别系统中，验证小波算法(Wavelet Algorithm for caving coal)