mmusic_new

实现复杂网络中社区发现的评价函数-模块度(Implement modularity in complex network with matlab.)

back prooagation neural networks

Calculate geodesic path

matlab针对一些给出的数据，进行模型构建并进行优化和处理，附带若干个例子(Matlab for some given data, model building and optimization and processing, with several examples)

This code is about plotimaging of seismic data.

说明：  直齿轮副啮合刚度计算，周期刚度，包含单双齿啮合。(Spur gear pair meshing stiffness calculation, including single and double tooth meshing.)

介绍了matlab中的帮助命令，比较全面，能让学习者快速取得帮助。(The introduction of the matlab help command, a more comprehensive and allow speedy access to help learners.)

本程序基于matlab，能够实现对视频中图像进行抠图，并能将提取出的前景图像合成到新的背景上。(Matting, and can extract the foreground image is synthesized into a new background video image.)

较为详细地介绍了单同步坐标系软件锁相环，采用了单一的同步坐标系锁相控制结构，一般适用于电网电压平衡时的相位，频率及幅值的检测，以及用于多种控制结构中（下垂控制，PQ控制，双闭环控制）。(A more detailed description of the principle of a single coordinate system PLL synchronization and setting PI controller parameters. SPLL with a single synchronous coordinate system lock control structure, generally applicable to the detection phase, frequency and amplitude of the grid voltage at equilibrium, as well as for a variety of control structures (droop control, PQ control, dual loop control).)

基于MATLAB的抽象物理概念图像化研究(MATLAB-based visualization of abstract concepts of physics)