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电力系统潮流计算matlab程序，简单易懂，供初学者分享学习(Power flow calculation matlab program, easy to understand for beginners to share their learning)

对图像进行分块，进而对待训练图像进行随机采样(The code randomly sample patches from images)

利用MATLAB自带的优化工具箱求解,包括数据信息(Built using MATLAB toolbox for solving optimization)

计算多重分形非趋势波动分析matlab程序,基于matlab平台实现,实现典型相关分析。( Calculation multifractal detrended fluctuation analysis matlab program, Based on matlab platform, Achieve canonical correlation analysis.)

本资料含有低通/高通带通等matlab程序，程序简短但经典(This information contains a low pass/high pass band-pass and so on matlab program, the program short but classic)

说明：  matlab经典算法程序,包括：插值与拟合、规划问题、绘图、解方程、数据分析等等，对初学者有些帮助，到现在还经常看看，温故而知新。(classical algorithm matlab procedures, including: interpolation and fitting, planning, mapping, solution of equations, data analysis, etc., for beginners and some help, and now often see温故而知新.)

MATLAB仿真二阶锁相环PLL，希望对大家有用(Second-order phase-locked loop)

MATLAB和maple语言均未直接提供求解fourier级数的系数的直接函数，自己动手丰衣足食，下面提供了一个代码，大家可以参照下 (MATLAB language, and maple were not directly solve the fourier series coefficients of the direct function, it-yourself ample food and clothing, the following provides a code, we can refer to the next)

说明：  电压源代替风机通过双PWM并入电网，双PWM控制电路(The voltage source instead of the fan is connected to the power grid through dual PWM, and the dual PWM control circuit)

Image treatment file:image filters and beginners commands