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平常练习的一些程序，比较基础，包括求斐波那契数、完数等等(Some of the usual practice procedures, more infrastructure, including seeking Fibonacci numbers, number, etc. End)

一个小的瞬变电磁测深数据处理程序，主要用于计算视电阻率和深度.(a small transient electromagnetic sounding data processing procedures, mainly used in the calculation of the apparent resistivity and depth )

WINDOWS计算器程序(Windows calculator program)

说明：  用C语言编写多元线性回归方程，写得不好的地方请指教！(Using C language multiple linear regression equation, where poorly written, please advice!)

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

利用pid算法控制电机转速，转速可调，数码管显示，初学者实用(Using PID algorithm to control motor speed, adjustable speed, digital display, beginners practical)

实现多项式相乘求模运算，并且模多项式是可以改变的，方便，简单(To achieve polynomial multiplication modulo operation, and polynomial model can be changed, convenient and simple)

有限元计算开源库，可以用于计算动力、静力、磁场等等方面的计算(Finite element calculation open source library)

随机森林算法，适合初学者阅读，包括公式，资料，调试(Random forests algorithm, suitable for beginners to read, including formulas, data, commissioning)

对于给定的一组轨迹点，用优化方法实现铰链四杆机构轨迹复演。优化方法为共轭梯度法。(For a set of track points,we use a optimization method to optimize the track of Hinge four-bar mechanism. The optimization method is conjugate gradient.)