VSM

用PCA在一组数维中找到主十得到主元分析，用于MACHINE LEARNING 中初步学习者(use pca find the principle component int the dataset)

说明：  介绍了MATLAB常用的算法程序，从简单到复杂，很适合初学者入门使用(MATLAB algorithm introduced common procedures, from simple to complex, it is suitable for beginners to use Getting Started)

利用MATLAB绘制图形，并用鼠标拖拉矩形框，选中图形局部放大后，绘制在原图形的右上角，使得局部细节更清晰(Using MATLAB to draw graphics, and drag a rectangle with the mouse, select the graphics local amplification, drawn in the upper right corner of the original graphics, making the local details more clearly)

锚杆挡墙的立柱和锚杆内力的有限元分析,可以分析立柱在挡墙土压力作用下的挠曲线，以及内力大小，对于锚杆挡墙的优化设计具有较大作用。(FEM analysis on the internal forces and deflection of beam for anchoring retaining wall)

qt的一个设计模式 内有详细注解 是学习QT的很好的小例子(qt a design pattern with detailed annotations are a good learning small example of QT)

matlab 实现卷积码的编译码程序 以及仿真和调试程序 可以使用了94了(matlab to achieve the encoding and decoding convolutional codes, as well as simulation and debugging process can be used in the 94)

matlab的gui工具实现计算器 包括加减乘除以及三角函数，反三角函数(matlab gui tools to implement the calculator, including addition, subtraction, and trigonometric functions, inverse trigonometric functions)

Three-Winding Distribution Transformer This demonstration illustrates the use of the linear transformer to simulate a three-winding distribution transformer rated 75 kVA - 14400/120/120 V. G. Sybille (Hydro-Quebec)

主要是关于图形应用和图形处理的一些程序,还有关于界面设计的一些内容(mainly about the apllication of graphics)

小波分析尺度函数，样条数据处理，梁的有限元分析(Wavelet scaling function5)