Polynomial Regression

说明：  输入质量和刚度，可以求得固有频率，可以调整刚度和质量矩阵的维数(By inputting mass and stiffness, the natural frequency can be obtained, and the dimension of stiffness and mass matrix can be adjusted)

七夕情人节表白网页的手机版本，在手机上向它表达你的情人节祝福，我想是件很兴奋的事吧，用此代码可以轻松做出一个在手机上运行的表白网页。

宇宙是用数学语言写成的，一切程序的运行归根于数学，现在介绍几个程序与数学的例子(The universe is written in mathematical language, all programs run return to their roots in mathematics, will now describe a few examples of procedures and mathematical)

python源码，利用人工蚁群算法解决带时间窗的车辆调度问题。(Python source code, using artificial ant colony algorithm to solve the vehicle scheduling problem with time windows.)

说明：  可以计算固定共振腔高度的互阻抗，超材料研究(Calculate acoustic impedance with fixed height)

说明：  发射CW脉冲模拟主动声呐测距，假设声源目标间距离不变，不考虑频偏。(CW pulse is transmitted to simulate active sonar ranging, assuming that the distance between sound sources and targets is constant, and frequency offset is not considered.)

算法设计中的分支限界法中的批处理作业调度问题的实现，是用VC＋＋编写的-algorithm design of branch and bound method of batch job scheduling problem is true, VC++ prepared

数据结构中的插入排序分析和比较。有各种插入排序的算法描述。-data structure of the insert sequencing analysis and comparison. Various insertion sorting algorithm description.

说明：  人工智能学习入门书籍，经典西瓜书，对于基础的人工智能学习有较为有用的帮助。(The introduction book of artificial intelligence learning, classic watermelon book, has more useful help for the basic artificial intelligence learning.)

这个是关于树的代码，可以帮助那些初学者学习参考-This is about the tree code, you can help those who are beginners to learn the reference