PCA311

这是个解代数方程组的matlab程序代码，发上来和大家共享(This is a solution of algebraic equations in matlab program code, the table and everyone shared)

模态参数的时域识别方法，即在时间域内识别试验结构模态参数。(Time-domain modal parameter identification method, that is, the structure in time domain modal parameter identification experiments.)

搭建的IEEE14节点阻抗仿真模型,里面参数齐全、结果正确。(The IEEE14 nodes impedance simulation model)

说明：  二维射线追踪程序！matlab编写！！ 地震声波正演源程序(Two-dimensional ray-tracing program! matlab prepared! ! Forward seismic acoustic source)

无线传感器高效能量路由算法——heed算法(Energy efficient routing algorithm for wireless sensor- heed algorithm)

modelseis, seismic modeling forward and inverse modeling,

matlab7数据手册的电子书籍。对想学习matlab的同学比较有用(the manual electronic matlab7 data books. Useful to the students want to learn matlab)

神经网络函数拟合图形，调节权重值得到较好的图形(Neural network function fitting graphics, adjust the weights worth to better graphics)

从3种不同的方法来分析，实现解微分方程。(From three kinds of different ways to analyze and realize solving differential equations.)

matlab中粗糙集属性约简的决策树分类的方法以及如何建立和使用决策树代码(decision tree)