li_6_7

pls_toolbox工具箱可以解决统计领域多个问题的matlab求解问题，比如偏最小二乘问题、多向主元问题、主元分析等等，集成的工具箱方便，而且不需要验证码！(The pls_toolbox toolbox can solve the MATLAB problem of multiple problems in the field of statistics, such as partial least squares, multidirectional principal element, principal component analysis, etc., the integrated toolbox is convenient, and does not need verification code!)

java小游戏贪吃蛇，两个文件无注释，经测试可编译运行(java game Snake, the two paper-free notes, compiled by the test run)

《统计学习方法》，机器学习入门参考书，北航出版社，讲解通俗易懂(Statistical learning method, a reference book for machine learning)

主要是根据马克维茨的投资组合理论求出有效边界，并确定其权重，分为允许和不允许卖空(efficient portfolio)

e横向图片浏览代码图片QueryElastislide自适应所属图片代码(E Horizontal Picture Browsing Code Picture Query Elastislide Adaptive Picture Code)

ICA去噪的代码，比较好用，推荐给大家，推荐给大家(ICA denoising procedures, very easy to use, recommended for everyone to use)

说明：  双边带调制，这里是光生毫米波现象，用pd探测，一路光经过调制(DSB modulation, this is optical generation with detection of pd. one of two lasers is modulated.)

说明：  在研究如何嵌入打开office的doc和ppt等文件格式时，编制的一个demo，有参考价值(When researching how to embed and open document formats such as Doc and PPT of office, a demo is compiled, which has reference value.)

基于psim软件，BOOST升压电路,利用电流和电压双反馈控制纹波和输出波形(BOOST boost circuit.We use current and voltage feedback to control ripple and output waveform.)

jQuery全国高校三级联动下拉框基于jquery.1.(JQuery is based on jquery.1.)