SituationDevelopment

matlab下fdatool工具官方文档，介绍如何使用fdatool设计数字滤波器。(matlab official document of the fdatool tool describes how to use fdatool design digital filters.)

用matlab实现的钢琴曲卡农,自动播放，很好听的(the piano music in matlab)

股票分析、预测MATLAB程序，网上淘到的一个历程，希望对精于M编程的股民有所帮助。(Stock analysis, forecasting MATLAB program, a process of scouring the Internet to hope for skilled investors M programming help.)

激光作为21世纪四大发明之一，在各个行业积极发挥着作用，这里介绍了各种常用激光器的参数和应用范围(Laser as a 21st century one of the four great inventions in various industries to actively play a role in a variety of commonly used lasers presented here the parameters and scope of application)

说明：  三相DC-AC逆变器的谐波注入SPWM调制技术 性能指标：直流输入350~640V，三相交流输出线电压220V AC，输出功率5kVA，功率因数0.8，输出频率50Hz。(Harmonic Injection SPWM Modulation Technology for Three-phase DC-AC Inverter Performance indicators: DC input 350 ~ 640V, three-phase AC output line voltage 220V AC, output power 5KA, power factor 0.8, output frequency 50Hz.)

amplitude sjift keyingg

This file is about vector control of permanent magnet synchronous machine. You must try it

简单的光伏电池输出功率特性曲线绘制代码,采用matlab m 文件编写。(simple code to draw pv cell power output curve respecting to dc voltage)

Regression test case for issue 1134697.

从黄广斌官网下载的，添加了核函数的核极限学习机(Download the official website of Huang Guangbin, adding the kernel fucntion to Extreme Learning Machine)