euler

关于PNG文件格式的分析,不是很详细,但是中文版的..如果要更好的,请找英文版式(on PNG file format, is not very detailed, but the Chinese version of .. if better, Please find English-)

matlab中的循环卷积，DFT,DCT，它在数字信号处理方面有很大地作用(circular convolution in matlab, digital signal processing, it has greatly effect)

利用神经网络进行语言特征的识别，很有用的代码，希望对大家有用(Neural network is used to identify the characteristics of language, is very useful code, hope useful for everyone)

使用Logistic Regression来讲解Probabilistic Classification Methods并绘出正确图表(Logistic Regression to explain the use of Probabilistic Classification Methods and draw the correct diagram)

光伏电池阵列模型，用于多电池的光伏发电仿真模型的建立(Photovoltaic array model for multi-cell photovoltaic Simulation Model)

Frank-Wolfe算法 matlab(rank-Wolfe, matlab)

此例程为配套书籍的第六章例题6-9的相对应代码，功能为方波信号离散小波变换，编程环境为matlab。(This routine supporting books Chapter Example 6-9 corresponding to the code for the function square wave signal discrete wavelet transform, programming environment Matlab.)

说明：  matlab最常用命令 1.有关命令行环境的一些操作:  (1) clc 擦去一页命令窗口,光标回屏幕左上角  (2) clear 从工作空间清除所有变量  (3) clf 清除图形窗口内容  (4) who 列出当前工作空间中的变量  (5) whos 列出当前工作空间中的变量及信息  或用工具栏上的 Workspace 浏览器 (matlab command most commonly used 1. on the command-line environment, a number of operations:  (1) clc remove a command window, the cursor back to the top left corner of the screen  (2) clear working space from the removal of all variables  (3) clf clear the graphics window content  (4) who are listed in the current working space of variable  (5) whos lists the current working space of variables and information  or Workspace toolbar browser)

混凝土配合比计算程序。可根据混凝土强度得到配合比。自己编的。参考规范为2009年之前的规范。(Concrete mix calculations. Be in accordance with the ratio of concrete strength. Their series. Reference standard for the specification by 2009.)

说明：  一个关于主成分分析的matlab演示，十分有用(A principal component analysis on matlab demo, very useful)